Question

Verify that 1)cot square 60°+sin square 45°+sin square 30°+cos square 90°= 13/12

Answer 1

Answer:

yes cot^2 60°+sin^2 45°+ sin^2 30°+ cos^2 90°=13/12 are equal

Step-by-step explanation:

LHS=cot^2 60°+sin^2 45°+ sin^2 30°+ cos^2 90°

(1/√3)^2+(1/√2)^2+(1/2)^2+(0)^2

1/3+1/2+1/4+0

13/12=RHS

HENCE IT PROVED LHS = RHS

I HOPE IT HELPS YOU