Question

if sin theta=0.5 then find the values of sin3theta and cos3theta​

Answer 1

Answer:

sint theta=0.5=1/2

theta=sin inverse 1/2

=sin inverse sin30⁰

=30⁰

now,

sin3 theta and,cos3 theta

=sin3×30⁰ =cos3×30⁰

=sin90⁰ =cos90⁰

=1 =0