4(cos³20+cos³40)=3(cos20+cos40) prove this question
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Answered by
12
Hola
Take the Second Part on the R.H.S to get the desired result ✓✓
I hope you can follow it from here ^^"
Take the Second Part on the R.H.S to get the desired result ✓✓
I hope you can follow it from here ^^"
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prashantmallick:
this is not the correct answer
It is the Correct One :shrug:
Answered by
15
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