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OpenStudy (anonymous):
Given that Sin A = 4/5, 0 < A < π/2 and Cos B = -12/13, π< B < 3π/2, find Tan2A
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OpenStudy (anonymous):
Directrix (directrix):
@lalithavasanth I'm thinking there may be a multiplication error here but I'm not certain. See attachment. Thanks.
OpenStudy (anonymous):
Ya...sorry,It's a mistake.But the process is correct....
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