Question

1.Rewrite with only sin x and cos x.

cos 2x - sin x

answers:
cos2x - sin2x - sin x

cos2x - sin3x

cos2x + sin2x + sin x

cos2x - 3 sin x

2. Find cos θ if sin θ = -5/13 and tan θ > 0.

3. Find all solutions to the equation.
cos x = -1/2

( answers to complicated to write on here)

4. Find tan θ if sec θ = square root of twenty six/ 5 and sin θ < 0.

answers:
5

negative square root of twenty six

negative one divided by five

-5

Answer 1

hello :(

Answer 2

1 is a

Answer 3

awesome thank you.

Answer 4

your welcome

Answer 5

gotta go bye fan me