# Trig check my work please?

90,505 results, page 31

1. ### Literature

i have to write an evaluative essay on a work of literature. i have chosen Hiroshima; The Noiseless Flash. in this essay i will write my own statement about the value of a work of literature ( ? ) and then provide reasons why your evalutation is correct and evidence to suport ...
2. ### I need help with my eniglish homework I was absent

I have been absent and I do not get my English homework! ¢¾Sandra Thank you for using the Jiskha Homework Help Forum. That alone does not help us. What sort of work are you doing in your English class? Anytime you are absent your teacher should give you list of what you need...
3. ### Precalculus

So for our review, our teacher posted the answers to the review online. I do the problem and check my work with the review, but I am questioning number 8. Here is the problem with the answer: prntscr.c0m/4rnpcn How does it equal 16? I am so clueless! G * F (1)? I got f(1)=6 ...
4. ### pre calculus

can you check my work? find two sets of parametric equations for the given rectangular equation x+y^2=4 x=-y^2+4 y=-t^2 x=-t^2+4 x=-t^3 y=-t^3+4 Find a polar equation of an ellipse with its focus at the pole an eccentricity of e=1/4 and directrix at y=4. answer: √(x^2 + y^2...
5. ### chem/some1 check my work plz.

air bags actived when a severe impact causes a steel ball to compress a spring and electrically ignite a detonator cap. this causes NaN3 to decompose explosively according to the following reaction: 2NaN3(s)=2Na(s)+3N2(g) what mas of NaN3 must be reacted to inflate an air bag ...

tanx=cotx
7. ### trig

what is the perimeter of a circle
8. ### trig

evaluate log3 27
9. ### math algebre2 and trig

5>4b+9>17 - -
10. ### trig

Graph y=-sin2(x-(3.14/4))
11. ### Trig

what is 2 pi over 1/5 reduce to?
12. ### trig

What is the projection of (2,6) onto (-1,5)?
13. ### trig

||v|| = 8 u = <5, 6> find the vector
14. ### trig

sin^2è + 2sinè +1 =0
15. ### trig

answer of 17(3/5 * 2/3 - 1 divided by 17/8)
16. ### ALGEBRA 2 W/TRIG

What is the slope for y=3/4x+1?
17. ### trig

sinL=6/7 L(alfa)=?

4=log[7]2401
19. ### trig

graphs of trignometry
20. ### trig

what is the value of the discriminant x^2-9
21. ### alg and trig

6x^3-5x^2+15x+5 / 2x^2-x+3
22. ### Trig

sin^2x/sec^2x-1
23. ### trig

4cos(2x)+2cos(x)+3=0
24. ### trig

3sin(2x)-2cos(x)=0
25. ### trig

2cos(theda)-"2=0
26. ### trig

sin^-1(sin5pi/6)
27. ### trig

How do you solve csc2x + 1 = 0
28. ### trig

y = sin (3x-2pi)

2cos^2+sin=1
30. ### trig

what is the reference angle for 17 pi/12?
31. ### trig

log4+log(x-7)=2
32. ### trig

log(x-15)-2=-logx
33. ### trig

Cos(2x+30)-Sin(3x-20)
34. ### trig

Graph y=-2sin(x/2-pi/2)+3
35. ### trig

evaluate cos 12*pi
36. ### Trig

cos(-11pi/12)

Sec (23π/6)
38. ### trig

SinA =0.5 cosA=?

sin/tan = ?
40. ### Trig

The radius of: (x+2)^2 + (y-3)^2 =9 is 3 is this correct?

42. ### trig

5pi/7 what quadrant is it in???
43. ### trig

tan-5n over 3
44. ### trig

Graph f(x)= second(2x+3.14/4)
45. ### trig

how to do root3 value
46. ### trig and algerba

6+7(t - 1) = 5(t + 7) + 8 what does t equal
47. ### Trig

How do you do this? 1-sin^2x/csc^2 x-1
48. ### trig

5sin(2x)+4cos(x)+0
49. ### trig

5sin(2x)+4cos(x)=0
50. ### trig

2sin^2x-1=0[0,2pi)
51. ### Trig

Why does 11.4(7pi/18)=133pi/30 ?
52. ### trig

what is the amplitude of f(X)=-6sin(3x-7)
53. ### Trig

What is the supplement of 3pi/5?
54. ### Trig

Find the supplement of pi/6

cos(π-x)=
56. ### trig

U=5i+11j and V=2i-3j, find 2U-7U
57. ### math trig

ln(2x-5)= 4 how do i this problem? thanks!
58. ### trig.

How is it that sin90 is negative?
59. ### trig

what is the value of sin 70

8/2+√6
61. ### trig

cos^2 A/ 1+sin A
62. ### TRIG

Sinxtanx = sec x
63. ### trig.

8x^3+4x^2-4x solution sets
64. ### trig

If cot x = .78, what is tan x?
65. ### trig

solve tan2x = -28/45 Thank you
66. ### trig

10sinB+5 = sinB+5
67. ### trig

cos è = 0.9659 A = ? H = 20
68. ### Trig

Sin^2 b(1 +cot^2 b) =1
69. ### trig

Sinxcosy(cotxtany-1)
70. ### trig

Sinxcosy(cotxtany-1)
71. ### Trig

(x+1)(x-4) is greater than or equal to (x-2)^2
72. ### trig

write a formula f*g*h when f(x)=x+1, g(x)=3x, h(x)=4-x
73. ### trig

sin 60 ka man
74. ### Trig

If f(x)=cos^2x and g(x)=sin^2x, what is (f+g)(pi/15)

three forces
76. ### Pre-Calc/Trig...

If f(x)=1/(x+2), what is f(3+h)? A. 1/(3+h) B. 1/(h+5) C. 1/(x+2)(3+h) D. (3+h)(x+2)
77. ### trig

from a top of a hill
78. ### Alg II/Trig

Graph 2x^3 + 9x^2 + 4x - 15 = 0
79. ### trig

sin 2x-cot x=

Trig ientities
81. ### Trig

Thank you Steve for all your help.
82. ### Trig

4=5+cos(theta)
83. ### Trig

can sec θ = negative 5

Point P(k
85. ### Trig

Tan 75/2 solve this

Check my answers please!!!! I really don't know how to do these but I tried my best 1. Simplify. 3x^2+ 5x-5x^2-4x+5-2 A.-8x^2-9x+3 B.2x^2+x+3 C.-2x^2-9x+3*** D.-2x^2+x+3 2. Add or Subtract.(8x – 2y) + (3x – 4y) A.11x+8y B.4x-y C.11x-6y*** D.5x+2y 3.(5x^2-4x-1)-(-4x^2-4) A...
87. ### Algebra I

I'm stuck on this problem please help me find the range of this equation y = (x^2 - 4)/(x^2 - x - 12) I know that it is [1/3,-infintiy]U[?,infinity] yes I'm having trouble with that ? At first I was like ok there should be a horizontal asymptote at y=1 there is in calculus ...
88. ### english

Write S if the sentence is simple .Write C if the sentence compound. 1) Paul plays on the basketball team and works part time at the grocery store. Compound 2)He is an assistant manager in the deli.Simple 3) The store manager hired him as a bagger,but Paul wanted more ...

please check my MATH. .Mr.jensen bought 2 2/3 gallons of gasoline yesterday.today he bought 3 1/2 more gallons.how many total gallons of gasoline has he bought? A.5 3/5 b.5 3/6 c.6 1/6 d.5 1/6(i picked this) Mrs.peters bought 7 1/2 yards of fabric.She needs another 4 7/8 yards...
90. ### chemistry

For a certain reaction at constant pressure, ∆H = -15kJ, and 22 kJ of expansion work is done on the system. What is ∆U for this process? So I know ∆= ∆U + Work flow If work is being done on the system, shouldn't work flow be positive? So I assumed it ...
91. ### L.A.

Which of the following statements about "life without gravity" explains why it is a expoistory essay. 1. It is a short work of nonfiction that does not express the writers opinion 2. It is a short work of nonfiction that uses examples to make its points 3. It is a short work ...

How many grams of carbohydrate does a person of mass 75 kg need to metabolize to climb five flights of stairs (15 m height increase)? Each gram of carbohydrate provides 17.6 kJ of energy. Assume 10.0% efficiency—that is, 10.0% of the available chemical energy in the ...

Carmen received some money for her birthday on Friday. That night, she took her friend out to dinner. She spent half of her check for dinner. Then she tipped the waiter \$6. The next evening she went to dinner alone, she spent half of the money she had left, and she tipped the ...
94. ### physics

1)Under ideal conditions, if 300 J of work are required tolift a mass to a certain height, the same mass should provide ___ J to do work as it falls back to Earth. Can you please comment as to whether my answer of 300 J is correct? 2)___ is conserved during an inelastic ...
95. ### Math/Physics

A car of mass 0.9 tonnes is driven 200 m up a slope inclined at 5° to the horizontal. There is a resistance force of 100 N. (i) Find the work done by the car against gravity. (ii) Find the work done against the resistance force. (iii) If the car slows down from 12 m s− 1 to...
96. ### 1 Out Of 100 Math Trick HELP PLEASE!!!

1. Choose a number between 1 and 100. 2. Multiply the number by 5. 3. Add 15 to the number. 4. Divide the number by 5. 5. Subtract the original number. How does this work, please help!