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OpenStudy (df001):
sin(x) = 4/5, Angle x is in the first quadrant. a) Find sin(2x) b) Find tan(2x)
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OpenStudy (df001):
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OpenStudy (df001):
What I did was that I used the double angle formula for the first one.
Nnesha (nnesha):
take a square root of 9 that's a famous triangle :D 5,4,3
OpenStudy (triciaal):
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