SOLUTION: If cos &#920; = &#8730;2/2 and 3pi/2 < &#920; < 2&#960;, what are the values of sin &#920; and tan &#920;? Please help, thank you.

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Question 878639: If cos Θ = √2/2 and 3pi/2 < Θ < 2π, what are the values of sin Θ and tan Θ?
Please help, thank you.

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
cos Θ = √2/2 and "3pi/2 < Θ < 2π"
Θ = 315
sin Θ = -√2/2 and tan Θ = sin/cos = -1
(cosx, sinx) Unit Circle summary for Your Reference


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