Question

Can someone who knows trigonometry:) want to help me on a lot of questions lol:)

Answer 1

Hmm, ill try.

Answer 2

ohh okay :)

Answer 3

Whats the question?

Answer 4

1st one is
Find sin θ/2 when 270º<θ<360º and cosθ is defined as indicated.
\[\cos \Theta= \sqrt{7}/4\]

Answer 5

Hmm, since you are given cos you can find sin. However, im not sure if thats the way to go.

Answer 6

i list the possible answers so it easy for u

Answer 7

Ok, thanks