sin10 sin20 sin30 sin40 solve it...
Answers
Answered by
1
we know that, sinx sin2x sin4x=1/4sin3x
so, sin30×1/4sin3×10
=1/2×1/4×1/2
=1/16 [Ans.]
so, sin30×1/4sin3×10
=1/2×1/4×1/2
=1/16 [Ans.]
Similar questions