Question

@=30 verify sin2@cos@

Answer 1

Hi Friend !!

Here is ur answer !!

@ = 30

sin 2@ = sin2(30)

=> sin60 = √3/2

cos @ = cos 30 = √3/2

sin2@ cos@ = √3/2 ×√3/2

= 3/4


Hope it helps u :-)

Answer 2

then sin2(30)cos30
sin60.cos30 (dot is indicating multiply)
√3/2 x√3/2
3/4 is the answer.