473,102 views
32 votes
32 votes
GIVEN THAT TAN Ꝋ= - 4/3 AND Ꝋ IS IN QUADRANT II, FIND SIN 2Ꝋ

User Ethan Fang
by
2.7k points

2 Answers

9 votes
9 votes

Answer:

sin 2 * theta = -0.96

Step-by-step explanation:

Theta = T

tanT = -4/3, T must be in second Quadrant.

arctan(-4/3) = T

T ~ -53.13010235 degrees.

sin(2 * -53.13010235) = -0.96

User Greg Hurrell
by
3.2k points
7 votes
7 votes

Answer: sin 2 * theta = -0.96. Explanation: Theta = T. tanT = -4/3, T must be in second Quadrant. arctan(-4/3) = T.

User Dima Korobskiy
by
2.8k points