Math, asked by vasudhahousewife, 26 days ago

if A + B = 90⁰ and A = 2B then cos2 A + sin2 B equal (pls send pic)​

Answers

Answered by aaronlow
1
2b+b=90
3b=90
b=30°

a=60°

cos^2a+sin^2b
cos^260°+sin^230°
1/2^2+1/2^2
1/4+1/4
= 1/2
Answered by jjoynaruto
1

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