Question

find value of sin60×cos30=sin30×cos60​

Answer 1

Step-by-step explanation:

3/4=1/4 is the answer hope it helps u

Answer 2

Answer:

sin60×cos30 is not equal tosin30×cos60

Step-by-step explanation:

sin(x+y)=sin x × cos y+cos x × sin y

sin 60= sin (30+30)= sin 30 × cos10+ cos 30× sin 30

sin60=2√3/4

cos 30=√3/2

sin30=1/2

cos(x+y)=cos x cos y - sin x sin y

cos (30+30)= cos30 cos30 - sin30 sin 30

cos60=1

sin60×cos30=sin30×cos 60

2√3/2×√3/2=1/2×1

18/4=1/2

9/2 = 1/2

therefore 9/2 is not equal to 1/2

hence, sin60×cos30 is not equal tosin30×cos60

I hope this helps you

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