Saturday

April 19, 2014

April 19, 2014

Posted by **deepak** on Tuesday, May 24, 2011 at 4:51am.

- mathematics -
**MathMate**, Tuesday, May 24, 2011 at 7:54amsin(a)=0.5

use sin²(a)+cos²(a)=1

0.5²+cos²(a) = 1

cos²(a)=3/4

cos(a)=sqrt(3)/2

cos³(a)=(3/8)sqrt(3)

**Related Questions**

mathematics - give that sin( A + B )= 2cos(A - B ) and tan A = 1/3,Find the ...

Mathematics - Find the maximum or minimum values of sin x+sin y+sin(x+y)

mathematics - Given that Sin(A+B)=2Cos(A-B) and tan A = 1/3 , Find the exact ...

MATHEMATICS - Given that Sin(A+B)=2Cos(A-B) and tan A = 1/3 , Find the exact ...

mathematics - find the maximum value of √3 cosθ-sinθ.???

Trig hep, please? Thank you! - 1. Find the exact value of sin(195(degrees)) 2. ...

trig - suppose that sin(x) + cos(x) = 4/3 a)square this result and find a value ...

Math - How to find the exact value of tan(sin^-1x/2) I'm having trouble with ...

mathematics - given tha geometric progression x,y,15.find the value of x,find ...

trig - find the exact value of sin(u+v) given that sin u=3/5 and sin v= 15/17