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Angle x is in the second quadrant and angle y is in the first quadrant such that sinx=5/13 and cosy=3/5, determine and exact value for cos (x+y). I have no idea how to even start this question. Could someone please

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  1. math

    If θ is an angle in standard position and tan θ = −7/2, in which quadrant can θ be located? a. quadrant 3 and quadrant 4 b. quadrant 2 and quadrant 4 c. quadrant 2 and quadrant 3 d. quadrant 1 and quadrant 2
  2. trig math

    If θ is an angle in standard position and tan θ = −7/2, in which quadrant can θ be located? a. quadrant 3 and quadrant 4 b. quadrant 2 and quadrant 4 c. quadrant 2 and quadrant 3 d. quadrant 1 and quadrant 2 help
  3. MATH - HELP ME PLEASE!!!!

    Determine the quadrant in which each angle lies. (The angle measure is given in radians.) 1. (5π/6) a) first quadrant b) second quadrant c) third quadrant d) fourth quadrant i think it is a) 2. -(5π/3) a) first quadrant b) second quadrant c) third
  4. Math

    The given angle is in standard position. Determine the quadrant in which the angle lies. -25° A. Quadrant III B. Quadrant II C. Quadrant IV D. Quadrant I
  5. math

    In which quadrant does the terminal side of the angle with measure -245 degree lie? Quadrant I Quadrant IV Quadrant III Quadrant II None
  6. Pre Calculus

    Determine the quadrant in which an angle, θ, lies if θ = 5.40 radians. a. 4th quadrant b. 3rd quadrant c. 2nd quadrant d. 1st quadrant
  7. Pre Calculus

    Determine the quadrant in which a 130° angle lies. a. 4th quadrant b. 1st quadrant c. 3rd quadrant d. 2nd quadrant
  8. Pre Calculus

    Determine the quadrant in which an angle, θ, lies if θ = 5.40 radians. a. 4th quadrant b. 3rd quadrant c. 2nd quadrant d. 1st quadrant
  9. Pre Calculus

    Determine the quadrant in which an angle, θ, lies if θ = 8π / 7 a. 3rd quadrant b. 1st quadrant c. 4th quadrant d. 2nd quadrant
  10. math

    In which quadrant does the angle Θ lie given that Cos Θ > 0 and tan Θ > 0? A. Quadrant I B. Quadrant II C. Quadrant III D. Quadrant IV B?
  11. geometry

    is my answer correct, please? thanks very much M = measurement If M angle 1 = 60 degrees, then m angle 3 + m angle 5 = what is answer? i put 90 degree for angle 3 which is right angle + 60 degrees = 150 given: m angle 1 = m angle 5 in statements/reasons.
  12. Math Trig Find Quadrant I II III IV

    In which quadrant is the terminal side of angle A? A = -5π/6 a. Quadrant III b. Quadrant I c. Quadrant II d. Quadrant IV
  13. physics

    Two forces are applied to ring of a force table, one at an angle 20.0 degrees and the other at an angle of 80.0 degree. Regardless of magnitudes of the forces choose the corect response below. The equilibrant will be in the (a) first qudrant (b) second
  14. Trig

    The angle 2x lies in the fourth quadrant such that cos2x=8/17. 1.Which quadrant contains angle x? 2. What is the measure of x, in radians? ---------------- I know that angle 2x is in quadrant 4, but quadrant x...? I am not sure where it is and how to get
  15. Algebra 2

    Can someone help me figure these out? I think if someone can explain how to do one of them then I'll be able to do the other. please and thank you. Suppose θ is an angle in standard position whose terminal side is in the given quadrant. For each function,
  16. Algebra 2

    Can someone help me figure these out? I think if someone can explain how to do one of them then I'll be able to do the other. please and thank you. Suppose θ is an angle in standard position whose terminal side is in the given quadrant. For each function,
  17. Urgent

    draw an angle x in the 1st quadrant with sinx=3/5, and an angle y in the 2nd quadrant with cosy=-12/13, then determine the exact value of tan(x+y).
  18. Math

    Angle x is in the second quadrant and angle y is in the first quadrant such that sinx=5/13 and cosy=3/5, determine and exact value for cos (x+y). I have no idea how to even start this question. Could someone please help me?
  19. Trig

    The angle 2x lies in the fourth quadrant such that cos2x=8/17. 1.Which quadrant contains angle x? 2. Determine an exact value for cosx 3. What is the measure of x in radians? ---------------- I know that quadrant 4 has 2x in it, so quadrant _____ has to
  20. Math

    Please check my answers! : The ordered pair (-3, -7) is located in which quadrant on the Cartesian plane? A. Quadrant I B. Quadrant II C. Quadrant III*** D. Quadrant IV Point (0, -3) lies A. on the x-axis*** B. on the y-axis C. in Quadrant III D. in
  21. pleeaasee hellpp!!

    if sec x=the square root of 5/2 with angle x in quadrant IV and than y= -(1/3) with angle in quadrant II, find the value of sin (x-y)
  22. mathematics

    Angle x is in the first quadrant and angle y is in the second quadrant, such that Cosx = 12/13 and Siny = 7/25. Determine an exact value for Cos(x+y).
  23. math

    For the system of linear equations below, use graphing to determine in which quadrant the solution lies. x+2y=-2 -2x+y=14 Quadrant III Quadrant I Quadrant II Quadrant IV
  24. Math/Physics

    Find the magnitude of the resultant force and the angle it makes with the positive x-axis. (Let |a| = 30 lb and |b| = 16 lb. Round your answers to one decimal place.) lal point upward as a 45 degree angle on the first quadrant lbl point downward as a 30
  25. method of teaching maths

    1. Develop a unit of learning at the end of which learners should be able to: • reduce any angle in the first quadrant of a Cartesian plane to a difference of and an acute angle, • reduce any angle in the second quadrant of a Cartesian plane to a sum
  26. trig math

    If cosθ = −14, then the angle θ is likely to be found in a.quadrant III b.quadrant I or IV c.quadrant II or III d.quadrant II help
  27. science (physics) Need to solve this today please

    (a) Express the vectors A, B, and C in the figure below in terms of unit vectors. (b) Use unit vector notation to find the vectors R = A + B + C and S = C – A – B. (c) What are the magnitude and directions of vectors R and S? Well the picture goes and
  28. Math!!!

    angle x is in the second quadrant and angel y is in the first quadrant and angle y is in the first quardrant such that sin x=5/13 and cos y = 3/5. Determine and exact value for cos x.
  29. MATH REPOST

    Consider that point A is located at (x, y) in Quadrant I of the coordinate plane. In which quadrant is point B with coordinates (-x, y) located? A) Quadrant I B) Quadrant II C) Quadrant III D) Quadrant IV (HAVING TROUBLENEED HELP FAST )
  30. math, calculus, trigonometry

    If sinθ+cosθ= 1/√2 , then which of the following is true (A) θ can be in Quadrant I (B) θ must be in Quadrant II or IV (C) must be in Quadrant I or IV (D) θ can be in Quadrant I, II, or III (E) none of the above is correct. Answer is B but I dont
  31. Trigonometry

    Suppose *u* is a quadrant IV angle with cos(u) = 3/5. Suppose *v* is a quadrant IV angle with cos(v) = 12/13. Find the exact value of sin(u-v) I have gotten to sin120cos150 - sin150cos120 but I am not sure I am correct up to that point and I don't know
  32. Trig

    Angle a lies in quadrant 2, and tan(a)= -(12/5). Angle B lies in quadrant 4, and cos(B)= (3/5). What is the exact value of sin(a+B) ?
  33. pre calculus.

    x is a first quadrant angle. In what quadrant(s) does the terminal side for 2x lie?
  34. MATH! Help sooo confused!

    Consider that point A is located at (x, y) in Quadrant I of the coordinate plane. In which quadrant is point B with coordinates (-x, y) located A)Quadrant I B) Quadrant II C) Quadrant III D) Quadrant IV How do I even find this out???
  35. Trigonometry

    2x is a 2nd quadrant angle. In which quadrant does x/2 lie?
  36. Mathematics

    Find the exact value of sin (x-y) given sin x = 2/3 cos y 1/4 x is an angle in quadrant 2 and y is an angle in quadrant 1
  37. Precalculus

    If Sin A=3/5 and cos B= -12/13, find the value of sin(A-B) if Angle A is in Quadrant I and angle B is in Quadrant III.
  38. Grade 12 Trigonometry

    Angle a lies in the second quadrant and angle b lies in the third quadrant such that cos(a)=-3/5 and tan(b)=24/7. Determine an exact value for a) cos(a+b) b) sin(a-b) c) sin2a
  39. trig help

    I need help finding sinA if cosA=(-3/5) and A is greater than 90 degrees, but less than 180 degrees. Draw the quadrant diagram. In the upper left quadrant, greater then ninety degrees, but less than 180, cosine is neg, and sine is positive. Draw a three,
  40. CBA #8 Quiz

    dentify the quadrant of the point (-3, -4)? * 1. Quadrant I 2. Quadrant II 3.Quadrant III 4. Quadrant IV
  41. Math~coordinate planes

    In which quadrant does the point (24, 9) lie? A. Quadrant IV B. Quadrant II C. Quadrant III D. Quadrant I
  42. Linear Functions

    If m < 0 and b > 0, the graph of y = mx + b does not pass through which quadrant? Quadrant I Quadrant II Quadrant III Quadrant IV
  43. trig

    Angle x is in the second quadrant and angle y is in the first quadrant such that sinx=5/13 and cosy=3/5. a) Determine an exact value for cosx b) Determine an exact value for siny
  44. trig

    Angle x is in the second quadrant and angle y is in the first quadrant such that sinx=5/13 and cosy=3/5. a) Determine an exact value for cosx b) Determine an exact value for siny
  45. Precalculus

    Hello, I have a question here that reads: If angle theta lies in quadrant iii & costheta= -2/root29 then determine the exact values of the other 2 trig ratios. When I take cos-1 of the above I get 111 degrees which would be in quadrant 2... Is that a
  46. precalculus

    find the values of the requested trig functions using the given value and quadrant in which the point corresponding to the angle lies. quadrant II; sinθ=4/5 find cosθ and tan θ
  47. physic

    The vectors that are shown in the figure below. The magnitudes are F1 = 1.81f, F2 = f, and F3 = 2.00f, where f is a constant. Description of the figure--On the first quadrant the angle is 60 degree with F3 as the hypotenuse and on the second quadrant the
  48. Advanced Functions

    Determine if true or false for each question: For an angle A in standard position, if sinA = cosA then the terminal arm of the angle lies in quadrant II or IV For an angle A in standard position, if sinA = -cosA then the terminal arm of the angle lies in
  49. mathematics

    Find the missing coordinate of P, using the fact that P lies on the unit circle in the given quadrant. a) P( ,-15/17) Quadrant IV b) P(2/5, ) Quadrant I
  50. math

    a piece of string 25 cm long goes exactly once round the edge of a plate in the form of a quadrant pie = 3.14 Find the radius of this quadrant and calculate the area of the quadrant
  51. Physics

    Two forces, and , act at a point, as shown in the picture. has a magnitude of 8.00 and is directed at an angle of = 65.0 above the negative x axis in the second quadrant. has a magnitude of 6.00 and is directed at an angle of = 53.2 below the negative x
  52. trig

    I got the following question marked wrong and I was wondering if someone could tell me why I got it wrong. The question is of the 6 trigonometric ratios, if only cosine and secant are positive, the angle is in which quadrant? I said it was in the 4th
  53. Precalculus

    1. What quadrant would the terminal side of the angle of t=4pie/3 be? 2. What quadrant would the terminal side of the angle of t=3pie/2
  54. Trigonometry

    Let O be the origin and P be a point in the fourth quadrant on the x-y plane. Let 270
  55. math

    a) What is the area of the tri-angle determined by the lines y= − 1/ 2x + 5,y =6x and they-axis? (b) If b > 0 and m < 0, then the line y = mx +b cuts off a triangle from the first quadrant. Express the area of that tri-angle in terms ofm andb. (c) The
  56. Math (please help!)

    1. θ is a first quadrant angle in standard position and cos 1/(sqrt10)= . Find the exact value of sin . 2. feta is a second quadrant angle in standard position and tan(feta) -((sqrt5)/2) = . Find the exact value of cos(feta) . 3. θ is an angle in
  57. Physics (Gravitation)

    In Fig. 13-25, three particles are fixed in place. The mass of B is greater than the mass of C. Can a fourth particle (particle D) be placed somewhere so that the net gravitational force on particle A from particles B, C, and D is zero? If so, in which
  58. Trigonometry - Slopes stuff

    Point A is the terminal point of angle phi and point B is the terminal point of angle theta. Point A is in the first quadrant and point B is in the second quadrant, while tan phi = 1 and tan theta = -7. Find the slope of AB. Ok so since A is in the first
  59. Trig

    the sine of an angle is 0.6. the constraint is the angle lies in quadrant II. how do I figure out what x is to solve the six functions?
  60. math

    1. Determine the quadrant in which the terminal side of the angle is found and find the corresponding reference angle. theta = 4
  61. Pre-Calculus

    Same problem with this question The angle θ is in the fourth quadrant, and tan θ = -3/7. Point P is on the terminal arm of angle θ. Which is a possible coordinate for P? A) -21,9 B) 9,-21 C) -9,21 D) 21,-9
  62. math

    find the reference angle, quadrant, and rotational angle for the point (3,-8)
  63. math

    in an image the slanted rectangle starts at 0 over right 2 spaces. Then 2 more over to 4 up to 3 then left 2 and back to 0.what would it look after a rotation of 90 degrees about 0. a)rectangle goes to the left in quadrant 2. b)rectangle goes down in the 4
  64. math

    Problem 8. 5 pts. Find the exact values of the remaining 5 circular functions for angle θ, given that sinθ = 1/9 and θ is an angle in the 2 nd quadrant.
  65. mathematics

    What is the tangent of an angle that is in Quadrant 2 and has a reference angle of 45 degrees?
  66. Trig

    Given Tan(A) = 5 in Quadrant III and Sin(B) = ⅔ in Quadrant II, what is the Quadrant of A-B?
  67. trig

    Consider the angle in standard position whose measure is radians. The terminal side of this angle is in the third quadrant and lies on the line given by y=10x. Find sin and cos.
  68. Algebra

    43. For every real number x, y, and z, the statement (x-y)z = xz - yz is ________ true a. always b. sometimes c. never No idea.. 45. True or False: All equations give only one number as an output for every input number. False? 46. In which quadrant or on
  69. Pre-Calculus

    The angle θ is in the second quadrant and tan θ = -3/5. Point P is on the terminal arm of angle θ/ Which is a possible coordinate for P? A) (-5,√29) B) (-3,√29) C) (-10,6) D) (-6,10) I drew the triangle, and aren't the coordinates supposed to be
  70. math

    trigonometric functions/ radians the angle Ə is in the first quadrant, and cos Ə = 2/√5 a) draw a diagram to show the angle in standard position and a point P on its terminal arm b) determine possible coordinates for P
  71. mitx 8.01x Classical Mechanics

    Vector A⃗ , in the first quadrant, has a magnitude |A⃗ |= 1.0 and is at an angle α = 40 ∘ with respect to the positive x-axis. Vector B⃗ , in the fourth quadrant, has a magnitude |B⃗ |= 2.5 and is at an angle β = 20.0 ∘ with respect to the
  72. physics

    two forces are applied to the ring of a force table, one at an angle of 20.00, and the other at an angle of 80.00. Regardless of the magnitudes of the forces, describe which quadrant the resultant and equilibrant can be located.
  73. Pre-Calc

    Find the degree measures of the radians given. 1. pi/15 rad = 12 degs 2. -9pi/2 = -810 degs 3. 5pi/3 = 300 degs 4. -3pi/4 = -135 degs 5. pi/10 = 18 degs 6. -11pi/15 = -132 degs 7. In which quadrant is -11pi/9? = quadrant 2 8. Find one positive and one
  74. math

    1: Connor drives an an eighteen-wheeler. It cost Conner $456 to fill the truck up with diesel fuel. If diesel fuel cost $3 a gallon, how many gallons of fuel were bought? a: 148 b: 152 c:156 d:164 2: The temperature started at 35°F. If the temperature
  75. Trigonometry

    Cos D= -3/4. if the sine of the angle is positive, find the sine of the angle and determine the quadrant. Can anyone tell me the steps. I need to learn this.
  76. Trigonometry

    Angle x is a third quadrant angle such that cos x = -(2/3). What is the exact value of cos (x/2) ? Solve in simplest radical form.
  77. math - Trigonometry

    If cosθ=−14, then the angle θ is likely to be found in which quadrant(s)
  78. Math

    Is this right? If you interchange the coordinates of any point in quadrant II, the new point would then be in (what Quadrant) Answer is quadrant IV.
  79. trig

    Rewrite as a function of a quadrant 1 angle. cos152
  80. math

    if cosx = 12/13 and x is a quadrant I angle. Find the value of sinx
  81. trig

    cos A = -4/5 for angle A in Quadrant II, find sin 2A
  82. trig

    cos A = -4/5 for angle A in Quadrant II, find sin 2A
  83. Trig

    Find (if possible) the trig function of the quadrant angle.
  84. Math

    Suppose x is an angle in the second quadrant such that cosx=-8/17, what is the value of tan(3x/2)?
  85. Pre-Calc

    1. Determine the quadrant in which the terminal side of the angle is found and find the corresponding reference angle. theta = 4 I know how to find the terminal side when theta has pi in it (for example: 4pi/3), but I don't understand what just "4" means.
  86. Physics

    Two forces, F1 and F2 , act at a point. F1 has a magnitude of 8.80N and is directed at an angle of 64.0 degree above the negative x axis in the second quadrant. F2 has a magnitude of 7.00N and is directed at an angle of 52.8 degree below the negative x
  87. Math

    Does 'using the unit circle' just mean that I use these: In Quadrant I, theta=beta In Quadrant II, theta=180-beta In Quadrant III, theta=180+beta In Quadrant IV, theta=360-beta Because the whole lesson we did was about that sort of thing, which is all
  88. Physics

    Two forces, F1 and F2 , act at a point. F1 has a magnitude of 8.80N and is directed at an angle of 64.0 degree above the negative x axis in the second quadrant. F2 has a magnitude of 7.00N and is directed at an angle of 52.8 degree below the negative x
  89. Trig

    Find the value of tangent of angle A, given cos2A = 4/5, and A terminates in quadrant 2
  90. Math

    If x is an angle in the first quadrant and cscx = 3 find the exact value of cos 2x
  91. urgent math help plz !!

    The angle θ lies in Quadrant II . sinθ=34 What is cosθ ? −7√/4 7√/4 3/4 −3/4
  92. math - Trigonometry

    If θ is an angle in standard position and tan θ = −7/2, in which quadrant can θ be located?
  93. Math help please help!!

    The angle θ lies in Quadrant II . sinθ=34 What is cosθ ? −√7/4 < MY CHOICE √7/4 3/4 −3/4
  94. Algebra

    If sin A=-7/25 and angle A terminates in Quadrant IV, cos A equals.. A. -24/25 B. -7/24 C. 24/25 D. 7/24 PLEASE HELP
  95. Trig

    If sec A =5/4 and A is an angle in Quadrant IV, find the value of cos A. A. -4/5 B.4/5 C.-5/4 Is it choice A
  96. math

    how to find which angle lies in which quadrant ex: 7pi/6 3pi/2 or any one
  97. math

    if Ø is an angle in the first quadrant and cosØ= 1/2, find the exact value of cos2Ø
  98. math

    In which quadrant does an angle of 5 radians terminate? Show your work.
  99. math

    1) Determine the quadrant in which Q lies. a) sec Q > 0 and cot Q < 0 I know that sec is in quadrant 4 and cot is in 3. Now how do I find the quadrant? b) csc Q < 0 and tan Q > 0 csc is in quadrant 2 and tan is 3.
  100. College Physics

    Two forces, F⃗ 1 and F⃗ 2, act at a point, as shown in the picture. (Figure 1) F⃗ 1 has a magnitude of 8.20N and is directed at an angle of α = 55.0∘ above the negative x axis in the second quadrant. F⃗ 2 has a magnitude of 6.40N and is directed

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