Math, asked by chrithikapeter0025, 7 months ago

Prove that: cos^2 30° - sin^2 30° = cos 60°.

answer pls fast

Answers

Answered by aithimouleendra

1

Answer:

Step-by-step explanation:

cos∧2 30°-sin∧2 30°

=(√3/2)∧2 - (1/2)∧2

=3/4-1/4

=2/4

=1/2

=cos60°

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