Question

Help please !! Given sin theta= 2/5
and 0°

Answer 1

C

Explanation:

sinθ=
`(2)/(5)`

θ=sin⁻¹ (
`(2)/(5)` )

θ=23.57817848

2θ=47.15635696

sin2θ=sin(47.15635696)=0.7332121112°≈ ((4
`√(21)`)/25)