Math, asked by nareshnbjk7111, 9 months ago

(2cos^2)30º-1 is equal to

Answers

Answered by BlackWizard

Answer:

2cos^2 30degree - 1 = 1 - 2sin^2 30degree =cos 60 degree. (putting the value of cos^2 30 degree and sin^2 30degree and 60 degree.) hope u like my answer.

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