Math Analysis
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Trig hep, please? Thank you!
1. Find the exact value of sin(195(degrees)) 2. If cot2(delta)=5/12 with 0(
asked by Michelle on August 17, 2013 
Math
1. Find the exact value of 2tan pi/12 / 1tan^2 pi/12 root 3/3? 2. Given tanθ = 1/3 and with θ in quadrant IV, find the exact value of cos2(θ) 4/5 3. Exact value of cos^2 67.5  sin^2 67.5 root3 /2 4. The expression cos 3θ
asked by mysterychicken on June 3, 2013 
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Use the exact values of the sin, cos and tan of pi/3 and pi/6, and the symmetry of the graphs of sin, cos and tan, to find the exact values of si pi/6, cos 5/3pi and tan 4pi/3. I have found the answers to the first three using
asked by jenny on August 24, 2011 
MATH
1.)Find the exact solution algebriacally, if possible: (PLEASE SHOW ALL STEPS) sin 2x  sin x = 0 2.) GIVEN: sin u = 3/5, 0 < u < ï/2 Find the exact values of: sin 2u, cos 2u and tan 2u using the doubleangle formulas. 3.)Use the
asked by MAKITA on April 10, 2009 
math
Use the exact values of the sin, cos and tan of pi/3 and pi/6, and the symmetry of the graphs of sin, cos and tan, to find the exact values of sin pi/6, cos 5/3pi and tan 4pi/3. I have found the answers to the first three using
asked by jenny on August 25, 2011 
Trig
Find cos(s+t) if cos s= 1/2 and sin t= 3/5, s and t are in quadrant II. I got the answer to be 4/10 plus 3sqrt(3)/10. Is that right? Then a second problem was find sin (s+t) if sin s=2/3 and sin t=1/3, sin is in quadrant II
asked by Anonymous on May 3, 2010 
Math
If sin(x) = /45 and cos(y) = 5/13 with both x and y terminating in quadrant 1 find the exact value of cos(xy) cos(4/5  5/13) Is this what I would do?
asked by Bryan on March 19, 2010 
math
If sin(x) = /45 and cos(y) = 5/13 with both x and y terminating in quadrant 1 find the exact value of cos(xy) cos(4/5  5/13) Is this what I would do?
asked by Bryan on March 19, 2010 
Please help!!!)
If sin(x) = /45 and cos(y) = 5/13 with both x and y terminating in quadrant 1 find the exact value of cos(xy) cos(4/5  5/13) Is this what I would do?
asked by Bryan on March 19, 2010 
Alg2/Trig
Find the exact value of the trigonometric function given that sin u = 5/13 and cos v = 3/5. (Both u and v are in Quadrant II.) Find csc(uv). First of all, I drew the triangles of u and v. Also, I know the formula of sin(uv) is
asked by Vincent on June 4, 2009 
trigonometry
5. If cot 2θ = 5/12 with 0 ≤ 2θ ≤ π , find cosθ, sinθ, and tanθ 8. Find the exact value of sin2a if cosa = 4/5(a in Quadrant I) 13. Find the exact value of tan2 if sinB = 5/13 (B in quadrant II) 14. Solve sin 2x + sin
asked by Alonso on December 18, 2012