Question

[1-sin(theta)] [1+sin(theta)]=cos^2(theta)

Answer 1

ello o^_^o
foil!!!

Answer 2

Hey! Okay

Answer 3

I+sine-sine-sine^2=cos^e

Answer 4

bec there is negative so you can take square of first term and square of last term
for example \[\huge\rm x^2 -y^2 =(x-y)(x+y)\]