SOLUTION: How to simplify: tan^2 theta/sin^2 theta...do I plug in the sin/cos for tan and csc for sin? Help! Thanks.
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Question 428622: How to simplify: tan^2 theta/sin^2 theta...do I plug in the sin/cos for tan and csc for sin? Help! Thanks. Found 2 solutions by stanbon, solver91311:Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! simplify: tan^2 theta/sin^2 theta
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= [sin^2/cos^2]/sin^2
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Invert the denominator and cancel:
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= [sin^2/cos^2]
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= 1/cos^2
= sec^2(theta)
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Cheers,
Stan H.
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