give me the answer of this question 2tan^2+sin^2-1
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hey friend
u have not specified the angle
until you do not specify the angle the functions tan or sin cannot be used .
it is same as no value under root function (√ )
u have not specified the angle
until you do not specify the angle the functions tan or sin cannot be used .
it is same as no value under root function (√ )
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