Show that (1)/( cos theta ) -cos theta =...

Show that `(1)/( cos theta ) -cos theta =tan theta .sin theta `

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If x = theta cos theta + sin theta, y = cos theta- theta sin theta , then dy/dx at theta = pi/2

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NCERT KANNAD-TRIGONOMETRY -Exercise -11.4

Evaluate the following (1+tan theta +sec theta ) ( 1+cos theta -cos...
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Evaluate the following (sin theta +cos theta )^(2) +(sin theta -cos...
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Evaluate the following (sec^(2) theta -1 ) (cosec ^(2) theta -1)
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Show that (cosec theta -cot theta )^(2) =(1-cos theta )/( 1+cos theta ...
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Show that sqrt ((1+sin A ) /( 1-sin A))= sec A + tan A
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Show that (1- tan ^(2) A ) /( cot ^(2) A-1) =tan ^(2) A
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Show that (1)/( cos theta ) -cos theta =tan theta .sin theta
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Simplify sec A (1-sin A ) (secA+tan A)
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Prove that (sin A +cosec A) ^(2) +(cos A +sec A) ^(2) =7+ tan ^(2) A +...
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Simplify (1-cos theta ) (1+cos theta ) (1+ cot ^(2) theta) .
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If sec theta+tantheta=p,then find the value of sectheta-tantheta
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If cosec theta + cot theta =k , then prove that cos theta =(k^(2)-1)/(...
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