Math, asked by raunakgupta515, 10 months ago

4 cos square 60 + 4 sin square 45 - sin square 30 equal to 11 by 4

Answers

Answered by Nuclearwizard

0

Answer:

Correct.

Step-by-step explanation:

LHS = 4cos²60°+4sin²45°-sin²30°

= 4×(1/4)+4×(1/2)-1/4

= 1+2-(1/4)=3-(1/4)=11/4=RHS

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