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

asked Nov 19, 2018 212k views

4 votes

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5 votes

Answer:

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

Explanation:

Esteban Brenes answered Nov 21, 2018

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4 votes

If sinθ =2/3 , then

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

Note: please open my solution attached below.

Khaino answered Nov 24, 2018

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