Math, asked by ahithya, 1 year ago

The value of 2 sin 30° cos 30° is equal to

Answers

Answered by ShivamMalvi
9

2sin(x)cos(x) = sin(2x) \\ sin(2 \times  {30}^{0})  = sin( {60}^{0})  \\  =  \sqrt{3}  \div 2
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Answered by HappiestWriter012
16
We know that ;
sin30° =1/2
cos30°=√3/2

=> 2 sin 30° cos 30°

=> 2(1/2)(√3/2)

=> √3/2 .

(Or )

We know that sin2x =2sinx*cosx

Now , 2 sin30°cos30° = sin(2*30°) = sin60°

= √3/2 .

Hope helped !^^

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