Let θ be an angle where: 1)θ∈Quadrant III and 2)sin(θ)=−1517. What Quadrant does 12θ belong to ? No Calculators !!
1 Answer
Feb 16, 2018
Explanation:
As
Then
=
and
=
Note that as
Now
=
and
and
Continuing this way
=
and
Hence