Question

provide me the short solution please​

Answer 1

Answer:

Step-by-step explanation:

Given

(Cos sq - sin sq)

______. _____

( 1+sin. 1+cos)

1-sin sq. -. 1-cos sq

______. ________whrecossq=1-si

1+sin. 1-cos sq

1+sin (1-sin). -. 1+cos (1-cos)

________. __________

1+sin. 1+cos

We know that asq-bsq=(a+b)(a-b)

(1-sin-1-cos)sq

(-sin-cos)sq

Using (a+b)sq=asq+2ab+bsq

Sinsq+cos sq+2sin cos

We know sin sq+cos sq=1

1+2sin cos