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OpenStudy (anonymous):
Prove the following
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OpenStudy (anonymous):
|dw:1397597688561:dw|
OpenStudy (anonymous):
tan A/ sec A = sin A/cos A * (1/sec A) = sin A/ (cos A*secA) = sin A/1 =sin A reasons : tan A = sin A/ cos A and cos A. secA =1
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