Find the exact value of sin2(θ) and quadrant where it is if cosθ=-(4/5) with θ in quadrant II?
Any help is much appreciated.
Any help is much appreciated.
1 Answer
Apr 2, 2018
2t is in Quadrant 3.
Explanation:
Since t is in Quadrant 2, then sin t is positive.
2t is in Quadrant 3.