Please give answer plz tell me farst
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cos2 67' - sin2 23'
=> cos2 67' - sin 2 (90-23)'
=> cos2 67' - cos 2 67'
=> 00.
solved.
Plz mark me brainliest
thanks,
=> cos2 67' - sin 2 (90-23)'
=> cos2 67' - cos 2 67'
=> 00.
solved.
Plz mark me brainliest
thanks,
akshahehsh:
Nice bro
thanks
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