First slide

Trignometry

Question

The maximum value of y = sin x cos x is :

Moderate

A

1
B

$\frac{1}{2}$
C

2
D

$\frac{3}{2}$

Solution

$y = sinxcosx = \frac{1}{2} \sin 2 x$
$Y_{\max} = \frac{1}{2}$

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