SOLUTION: 7. Suppose sin a= -4/5 where 3pie/2 <a< 2pie. Find the exact value of sin 2a 8. Suppose tan a= -4/3 where pie/2<a<pie. Find the exact value of cos 2a 15. Suppose sin the

Question 1136839: 7. Suppose sin a= -4/5 where 3pie/2 Find the exact value of sin 2a
8. Suppose tan a= -4/3 where pie/2 Find the exact value of cos 2a
15. Suppose sin theta = 15/17 and pie/2 < theta< pie.
Find the exact value of tan (theta/2)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
No math problems with pie.
Use the Greek letter pi.
RELATED QUESTIONS
FInd the exact value of tan(A-B) if cos(A)=3/5 where 0< or equal to A (answered by lwsshak3)
Find all solutions in [0,2pie) {{{ Sin(2t) - Sin(t)= 0 }}} a)0, pie /2, 3pie /2... (answered by Alan3354)
determine the exact value of sin(2pie/3)cot(11pie/6-tan(5pie/4)sec(3pie/4) (answered by e.siddharth)
sin(x)=8/17 find the exact value of tan(2x) pie/2... (answered by lwsshak3)
What is the smallest positive value for s where y=sin2x reaches its maximum? a. pie... (answered by Alan3354)
What are the values that satisfy the trigonometric equation for 0 <= q <= 2? sin(theta) + (answered by jsmallt9)
sorry, these problems aren't from a textbook. I've started these four problems then just... (answered by Edwin McCravy)
Find the exact value:(without Calculator) Please show me how, i have an exam coming up!... (answered by lwsshak3)
find the exact value sin... (answered by user_dude2008)