Answer:
I believe its C?
Step-by-step explanation:
9/10 or 0.9
Hope this helps
Answer:21
Step-by-step explanation:12 times three is 36 and 7 times 3 is 21
Answer:
Option A.
Step-by-step explanation:
It is given secθ = -
then cosθ = -
Now we know the identity
sinθ =
=
=
Now sin2θ = 2sinθcosθ
Now we put the values of cosine and sine in the formula
sin2θ = 2×(-)()
= -
Therefore, option A. is the answer.