Math, asked by vivaanbhandari, 10 months ago

answer asap, thanks in advance​

Attachments:

Answers

Answered by iamsnehabayal2003
0

Step-by-step explanation:

(1+cosx)²+(1-cosx)²+2sin²x

=1+2cosx+cos²x+1-2cosx+cos²x+2sin²x

=2+2cos²x+2sin²x

=2+2(cos²x+sin²x)

=2+2

=4

Similar questions