Question

SOLVE THIS QUESTION IT'S URGENT
QUESTIONS IS :=
1+ sin 2A and 1- cosA and 1+sinA
Find the answer of these questions
THOSE WHO WILL I WILL MARK THEM AS BRAINLIEST OK

Answer 1

1) 1 + Sin2A = 1 + 2 sin A cos A = sin²A + cos²A + 2 sinA cos A

= (sinA + cos A)²

2) 1 - cos A = cos 0 - cos A = 2*sin(A+0)/2*sin(A-0)/2 = 2 sin²(A/2)

3) 1 + sinA = 1 + 2sin(A/2)cos(A/2) = sin²(A/2) + cos²(A/2) +  2sin(A/2)cos(A/2) = [sin(A/2)*cos(A/2)]²