Math, asked by kumardushyantsingh05, 7 months ago

Question:
(Cos©+sin©+1)×(sin©+Cos©-1)=?

©= theta.

Answers

Answered by jyotirmay77

1

Answer:

2sin©cos©

Step-by-step explanation:

{(Cos©+sin©)+1}×{(sin©+Cos©)-1}=?

= (cos© + sin©)^2 - 1^2

= cos^2©+ sin^2© + 2sin©cos© - 1

= 1+2sin©cos©-1

= 2sin©cos©

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