4,385 results, page 20
Verify the Identity: sec(x/2)=the square root of (2 tanx/(tanx sinx))
Solve the equation in the interval [0•,360•] Csc theta = 1+cot theta
explain the methid used to get the answers 45m*cos33=37.7m and 45m*sin33=24.5
How do you convert rectangular equations into polar equations? If x4−y4=xy , then r2=atan(b); What is a? What is b?
i have to find a & c, b=2.489*10 to the nineth power and i have one degree 25
the question is: given sec x = 4, tan x < 0, find sin(2x), cos(2x)and tan (2x)
Solve: 2 cos2 x - 3 cos x + 1 = 0 for 0 is less than or equal to x is less than 2pi.
prove the identity sec^2x times cot x minus cot x = tan x
if sina,cosa,tana are in geometric progression then prove that cot^6a-cot^2a=1
convert the point with polar coordinates (2,7pi/6) into rectangular coordinates.
Verify the equation is an identitiy: cot(x)tan(x+pi) - sin(pi-x)cos((pi/2)-x) = cos^2x Thanks
The tangent of an acute angle equals 1/2. What is the sine of the angle? (A) 1/p3 (B)p5/2 (C) 2/p5 (D) 1/p5 ( E) None of the above.
5. If the angles X and Y each measure between 0° and 90°, and if sinX = cosY, what is the sum of the measures of the angles X and Y?
How do I solve.... Tan 2(theta) - Cos 4(theta) = 0 Domain: (0-360 degrees) Thank you.
Which logarithmic equation is equivalent to L^m = E 1) LogL E = m 2) logE L = m 3) logm E= L 4) logE m= L
solve the equation of the domain 0¡Ü¦È¡Ü2¦Ð 3cos^2theta - 5costheta -1 = 3sin^2theta
given cot-A square root of 5, find cot-B at the 4th quadrant.
Given that tanx = 1/sqr(15) and secx -4/sqr(15) find the value of sinx
if tan x= 4/3 and pip < x < 3pi/2, and cot y= -5/12 with 3pi/2 < y < 2pi find sin(x-y)
True or False: For a one-to-one function, y = f(x),then x = F^-1(y). Explain your answer. Please help.
Rewrite the following expression as an algebraic expression in x: cos(arcsin(x))
PROVE: Cos 2theta = .5 (cot theta - tan theta) Please help me
a triangle abc has a mearsure of an adjacent 15 and 25 degree solve for the triangle
Explain how the graph of the given function is a transformation of the graph of y=x^2 *y=x^2+7
Explain how the graph of the given function is a transformation of the graph of y=x^2 *y=(x+5)^2
How would I solve this one? I just can't get this one. 6x^2+11x-35=0
solve triangle ABC which have angleA=25.25,angleB=60.51 and a=3.82..find c...,find b
A road has a 10% grade (slope). To the nearest degree what is the angle of elevation of the road?
Find the algebraic expression that is equal to sec theta - cos (-theta)
Find sin(x+y), cos(x-y), tan(x+y), and the quadrant of (x+y) if sinx= -1/4, cosy= -4/5, with x and y in quadrant 3.
If cos^4(3x)-sin^4(3x)=cos(g(x)) then g(x)=? Use a^4-b^4=(a^2-b^2)(a^2+b^2)! thanks in advance for any help!
if sec theta =sqrt -20/3 state the exact value of tan theta
Solve the equation for exact values of x. sin(x) = 1-2(sin(x))^2
can anyone tell me how to do this? thanks! (sin (x) / 1 + cos (x) ) + ( cot (x) / 1 + cos (x) )
Simplify: 1/5(-5a^2b^3)^2(abc)^4 How do you simplify this. How does the "-5" play a role in this? how would you get 1/5 of "-5"
Please solve this proof Tan(pi/4 +x)+ Tan(pi/4+x)= 2Sec2x
The expression log 10^(x+2)- log 10^x is equivalent to???
unsure how to find phase shift,vertical shift of y=-2cos(x+3.14/4)+5
determine the coterminal angle between -360 and 360 for -540
How do you find the exact values of sin(u/2), cos(u/2), and tan(u/2) of tan(u)=-5/8
How do you convert polar coordinates to Cartesian coordinates? And vise versa.
tan(theta)=(7/24), sin(theta)<0 find cos(2theta)
Tan theta 12/5 ,pi <theta<3pi/2 Find sin 2theta
If cscx=2 and x greater 90 degrees and x less than 180 degrees, then sin x/2 =
Plot the point and then find three representation of the point (3,2pi/3)
Suppose that sin x = 1/5 and cos y = 2/3, and x and y are each angles in Quadrant 1. Determine sin(x+y).
let sin theta = -7/25 with theta in QIV find sec (2theta)
True or false? If A and B are angles of a triangle such that A > B, then cos A > cos B.
angle x lies in quadrant 3 and cos(x)=-.6. Find cos(3pi/2-x)
an angle 30 with the distace of 24km and an angle of elevation of 45 with the distance of 15km.
how do you solve 2nd cos 6/11 (my calculator doesn't have 2nd function0
Verify that each trigonometric equation is an identity tan^2+1/sec Î± =sec Î±
Find sin(2theta) if tan of theta = 7/24, pi < theta < 3pi/2 ?
Derive the identity 1 + cot ^2 theta = csc^2 theta by dividing x^2 + y^2 = r^2 by y^2
1.Ifg(x)=cos4x,find g'(pie/24). 2.Differentiate y=csc^2 pie*x
To the nearest degree, determine the measure of <X for each value of tan X if the tan X = 0.25
Solve the equation in the given domain cos 4x + cos 2x = 0, 0<(or equal to) x < pi
A and B are acute angles such that cosA =3 over 5 and cosB =12 over 13
Prove that the statement is an identity: (tanx/cscx)=(1/cosx)-cosx
what quadrant is this in and please explain... sin theta < 0, cos theta > 0
Please explain to me how to get this -- what quadrant tan theta < 0, sin theta < 0 is in.
Find y if the point (7, y) is on the terminal side of θ and cos(θ) = 7/25
If csc theta = 2, then what is theta approximated to 4 decimal points? RADIANS
solve for t: 0=4sin(2t)cos(2t)-sin(2t)
If sec theta = radical 5, what is the exact value of cos theta
If sec theta = radical 5, what is the exact value of cos theta
find the single term of cos^2 4theta - sin^2 4theta
Find all values of x, 0<x<(pi/2) for which (1/( root 3))<cotx<(root 3)
Find the Opposite of the right angle where the angle is 61 degrees and the Adjacent is 10 cm.?
The point P(3, 4) is on the terminal side of θ. Evaluate tan θ. 3/4 3/5 4/3 4/5
How do I prove that tan(x/2) =( plus/minus) sqrt(1-cos(x/1+cos(x))
Simplify (sin^2)*(67.5deg) - (cos^2)*(67.5deg) and then evaluate exactly.
Verify that each trigometric equation is an identity. 1/1-sinx + 1/1+sinx = 2 sec^2x
Prove the identity: cos^4 x + sin^4 x = 1 - (1/2)sin^2 (2x)
In a right triangle with g the right angle, b = 86.5 and c = 125.8. What is β ?
Find all solutions in the interval [0,2pi]. sin 2x + sin x = 0
a triangle has a measured of hypoteneuos 15 and an adjacent of 10 solve for the triangle.
Given sin x = 5/13 and 0 < x < pi/2 find the value of sin(π − x). 12/13 5/13 -12/13 -5/13
Help me please. Simplify 1. √-36 2. -√-625
If each leg has length 5 meters, what are the lengths of the other leg and the hypotenuse
Solve for t algebraically: inverse cos(t) = inverse sin(t). Where do I start?
Is a triangle that has sides which measure 8, 15, and 17 a right triangle? Justify your answer, ie,
sin2piex-cos5piex Is this a sinusoid? No. because 2 pie x and 5 pie x are not the same/equal.?
Trig Identities prove sinx+1 \ 1-sinx = (tanx+secx)^2
convert 80 degrees into radians 80 deg *2PI rad/360 deg = ?
Find the area of ABC if A=56 degrees, b=20ft, and c=12ft. 1/2(20)(12)sin56 1/2(240)sin56 99.5
Verify that (secx/sinx)*(cotx/cscx)=cscx is an identity. (x=theta BTW)
If sinx = -3/5, tan x > 0, sec y = -13/5 and cot y < 0, find the following: a. csc(x + y) b. sec (x - y) How do I get the answers of a. -65/33 b. -65/16 Thank you
Assume that A and B are in standard position and that sin A = 1/2, cos A >0, tan B = 3/4, and sinB<0 Cos (A-B)
Can you please help me solve this trig equation for 0 ≤ x ≤ 2π? 9sin^2(x)-6cos(x)-10=0 Thank you!
Rules of Logarithms: Can someone explain how to do: 1) e^(2(ln)(x)) 2) e^(-lnx) I know the rules I just don't understand how they apply.. thanks!
1/sinx = sinx+cosxcotx it's a proof and I have to make them equal to each other. Please help!
Please Help: please solve this proof: cosx- cosy = -2sin(x+y/2)sin(x-y/2)
Given that sin(5x-28)degree=cos(3x-5),0 lessthan x lessthan 90degree,find the value of x.
find the fundamental solution set (FSS) for(cos2θ)(tanθ+1)=0
Given that tan(pi/2) = a. Express tan(x) and sin(x) in terms of a. Hint: Use the fact that x = 2.(pi/2)
given that tan(x/2)=a. Express tan(x) and sin(x) in terms of a. Hint: use that fact that x= 2*(x/2)
Use the cofunction of a complementary angle. PLEASE HELP ME! tan θ = cot (30° + 5θ)
In right triangle ABC, C is the right angle and sinA=(radical 3/2). What is the value of csc B?
2cos^2x=cosx. Can you subtract the cos from cos^2? Or what would i have to do?