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OpenStudy (anonymous):
Given: cos(theta) = 3/5 and theta is located in the fourth quadrant; find sin2(theta)
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OpenStudy (anonymous):
OpenStudy (nubeer):
ok sin2x has the identity sin2x = 2sinxcosx.. know of it?
OpenStudy (anonymous):
Yes, do I just find out what cos(theta) is & then subsitute both sin & cos? like would my equation be 2(4/5)(3/5)?
OpenStudy (nubeer):
yes it would be something like this ..
OpenStudy (anonymous):
Okay, I think I know how to get there. Thanks :)
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OpenStudy (nubeer):
you are most welcome :)
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