Question

what basic trig identity would you use to verify that cotxsinx+cosx

Answer 1

Answer:

You use cotx = cosx/sinx.

Step-by-step explanation:

I guess you mean cotx sinx = cosx.

You substitute the identity cotx = cosx / sinx:

cotx sinx = (cosx / sin x) * sin x

The sin x ' s cancel to give cosx.