Question

prove that sin51degree+ cos
81degree = cos21degree​

Answer 1

Answer:

Hi ,. We know that , i ) Two angles are said to be complementary if their sum is equals 90 degrees. a ) sin ( 90 - A ) = cos A

Step-by-step explanation:

hope this helps u

Answer 2

Answer:

Nandini I s my name and I am a very very good girl