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Θ is an angle in standard position that terminates in Quadrant II. If sinθ =2/3 , then cos2θ = _____.

Θ is an angle in standard position that terminates in Quadrant II. If sinθ =2/3 , then cos2θ = _____.
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θ is an angle in standard position that terminates in Quadrant II. If sinθ =2/3 , then cos2θ = _____.

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User Tnilsson
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8.5k points

2 Answers

5 votes

Answer:

one person said it was 1/9 which it is an answer for Odyssey/ware

Explanation:

answered
User Esteban Brenes
by
8.3k points
4 votes
If sinθ =2/3 , then

2.236067978
cos2θ = ------------------------------------
3

Note: please open my solution attached below.
θ is an angle in standard position that terminates in Quadrant II. If sinθ =2/3 , then-example-1
answered
User Khaino
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7.2k points
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