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Trigonometric Ratio and Identites question

2013 · Shift 0 · Q45

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JEE Main
Mathematics
Trigonometric Ratio and Identites
2013 · Shift 0 · Q45

Trigonometric Ratio and Identites question

2013 · Shift 0 · Q45

JEE MainMathematicsTrigonometric Ratio and IdentitesMCQ+4 / −1

The expression

{{\tan {\rm A}} \over {1 - \cot {\rm A}}} + {{\cot {\rm A}} \over {1 - \tan {\rm A}}}

can be written as:

A
$\sin {\rm A}\,\cos {\rm A} + 1$
B
$\,\sec {\rm A}\,\csc{\rm A} + 1$
C
$\tan {\rm A} + \cot {\rm A}$
D
$\sec {\rm A} + \csc{\rm A}$

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