1.

The greatest value of sin x cos x

Answer»

The maximum value of sinxcosx=1/2

To get this

Multiply with 2 in both numerator and DENOMINATOR and you will get 2sinxcosx/2

But 2sinxcosx=sin2x

The MAX value of sin2x is 1 But we have sin2x/2

Therefore,the maximum value is 1/2



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