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if tan alpha=a,where a is rational number which is not a perfect square,then which of the folllowing is rational number
a.sin2 alpha
b.tan2 alpha
c.cos2 alpha
d.cot2 alpha

SanchiSSonawane , 6 Years ago
Grade 11
anser 1 Answers
Saurabh Koranglekar

Last Activity: 6 Years ago

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