SOLUTION: HELP please. The question reads; use the given information given to find the exact value of the trigonometric function cos theta (-3/5) sin theta>0 Find cos (theta/2)

Question 320866: HELP please.
The question reads; use the given information given to find the exact value of the trigonometric function
cos theta (-3/5)
sin theta>0
Find cos (theta/2)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The question reads; use the given information given to find the exact value of the trigonometric function
cos theta (-3/5)
sin theta>0

sin(theta) = 4/5
-------------
Find cos (theta/2)
Google half-angle formulas
RELATED QUESTIONS
Use the given information to determine the exact trigonometric value. If cos(theta)=4/5... (answered by stanbon)

Use the given information to determine the exact trigonometric value sin theta=-1/5,... (answered by stanbon)

Find the exact value of the trigonometric function at the given real number.... (answered by ewatrrr)

Use the given information to determine the exact trigonometric value. If csc(theta)=... (answered by stanbon)

find the exact value of the trigonometric function, cos(u+v), given that sinu=5/13 and... (answered by stanbon)

Can you help me solve this problem please? Thank you. Use the given function values and... (answered by Solver92311)

Given sin 30�= 1/2, use trigonometric identities to find the exact value of: A: cos 60� (answered by Edwin McCravy)

Use the information given about the angle θ, 0 ≤ θ ≤ 2π, to... (answered by lwsshak3)

Use trigonometric identitets to find the trigonometric function value of x, given that... (answered by Fombitz)