Question

show that sin10° sin 50°sin 70°=
1/8​

Answer 1

Step-by-step explanation:

$\sf{remember\:this\:formula}\\\sf{sinθ \times sin(60 - θ) \times sin(60 + θ) = \frac{1}{4}sin3 θ}$

then here θ=10

$\sf{ \frac{1}{4} sin30 = \frac{1}{4} \times \frac{1}{2} = \frac{1}{8} }$

Answer 2

Hope it helps...........