I’m pretty sure the answer is -10
Step-by-step explanation:
If you know, the sine. You must find the cos ratio, using the Pythagorean trig theorem.
Next, you use the half angle identity for sin

Example.

We must find

First, use the Pythagorean identity





Now use the half angle identiy




So the answer for our example is 1/2
A and D are the correct answers. They are on opposite sides of the transversal and are on the outside of the parallel lines.<span />
Hi i can’t see the question can you copy and paste it and reply to me
Answer:
I dont get the question
Step-by-step explanation: