Question

sin 30 = 3 sin 0 - 4 sin3 0​

Answer 1

Answer:

1

Step-by-step explanation:

Now, LHS=sin3(30o)=sin90o=1

Now, RHS=3sinθ−4sin3θ=3sin30o−4sin330o=3(1/2)−4(1/2)^3=23−21=1

∴ LHS=RHS