Question

(sin teta+ cos teta )²- (sin teta - cot teta )²​

Answer 1

Answer:

$\Huge\sf\red{Answer}$

==> sin²teta +2sinteta cosecteta + cosec² teta +cos²teta+2costeta secteta + sec² teta

==> 1+cosec²teta + sec² teta +2+2(sin² teta + cos I teta =1)

==> 1+2+2+cot²teta +1+tan² teta [cosec² teta =

1+cot² teta , sec² teta = 1+ tan² teta ]

==> 7+cot² teta +tan² teta

mark as brainlist ❤️

{l.h.s = r.h.s}l.h.s=r.h.s