Question

value of cos ^2 31-sin^2 59​

Answer 1

Answer:

cos^2 31-sin^2 59

=cos^2(90-59)-sin^2 59

=sin^2 59- sin^2 59

=0

Answer 2

ANSWER:

0

EXPLANATION:

Cos^2 31° - Sin^2 59°

Cos^2 (90°-59°) - Sin^2 59°

Sin^2 59° - Sin^2 59° = 0

I HOPE YOU UNDERSTAND AND IT'S HELPFUL TO YOU.