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

User Ethan Fang
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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
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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
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2.8k points