Asked by will
Given that sin = 3/5 and lies in quadrant II, find the following value.
cos
cos
Answers
Answered by
bobpursley
Isn't cosine negative in quadrant II?
memorize this:
Sin^2 X + Cos^2 X=1
find cosine X, you know sin X as 3/5
memorize this:
Sin^2 X + Cos^2 X=1
find cosine X, you know sin X as 3/5
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