Math, asked by savvyupcw8ig, 1 year ago

Verify cos60 = 1 - 2*sin^2 30

Answers

Answered by jsaidisha
1
hey hope it helps

LHS.

cos 60° = 1/2

RHS

2sin^2 30°
2((1/2)^2)
2*1/4
1/2

here lhs = rhs

verified
pls mark brainliest
Answered by shubh9385
0
First take... 1 - 2 * sin^2 30°..
= 1 -2* (1/2)^2 (Sin30° = 1/2)
= 1 -2 * 1/4
= 1 -1/2
RHS = 1/2 = LHS
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