Question

the product of (1+cos ) (1-cos) is​

Answer 1

Answer:

sin^2 will be the product

Answer 2

Answer:

sin^2

Explanation:

(1+cos ) (1-cos)

=1-cos +cos -cos^2

=1 -cos^2

=sin^2 , [ since cos^2+sin^2=1 or, 1 -cos^2=sin^2]