Question

cos² theta +cos theta = 1
proove that its not an identity​

Answer 1

Step-by-step explanation:

one can be one can be written as in the form of cos square theta + sin square theta

Answer 2

Answer:

your answer is...

Step-by-step explanation:

theta = 53 degree...

and it is not an identity ...it is a fixed value of cos 53 degree