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State weather each of the following stat...

State weather each of the following statements is true or false :
`sqrt((1-cos^(2)theta).sec^(2)theta)=tantheta`

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KUMAR PRAKASHAN-INTRODUCTION TO TRIGONOMETRY-Objective Questions
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  11. Answer the following by a number or a word or a sentence : If sinA=1...

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  15. If tan7theta=cot(5theta-30^(@)), both angles being acute angles, find ...

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