Math, asked by akshahehsh, 1 year ago

Please give answer plz tell me farst

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Answers

Answered by Hellboy111

1

cos2 67' - sin2 23'
=> cos2 67' - sin 2 (90-23)'
=> cos2 67' - cos 2 67'
=> 00.
solved.

Plz mark me brainliest
thanks,

akshahehsh: Nice bro

Hellboy111: thanks

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