Cot A-root 2Show that cosec2 A - 2 A cosec 2 A - 2 A - 3-

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Trigonometric Ratio(sin,cos,tan)

Cot A=root 2S...

Question

Cot A = root 2

Show that cosec²A - sec²A 3

^{------------------------------------- =. -----------}

^{. cosec2A + sec 2A. 4}

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Cosa-sina+1/cosa+sina-1=coseca+cota=using the identity cosec2a=1+cot2a

{sec}^{2} A + cosec^{2} A = {sec}^{2} A \times cosec^{2} A

(1 + c o t A + t a n A) (s i n A - c o s A)

\frac{s e c A}{c o s e c^{2} A} - \frac{c o s e c A}{s e c^{2} A}

s i n A t a n A - c o t A c o s A

\frac{{tan}^{2} A}{{tan}^{2} A + 1} + \frac{c o s e c^{2} A}{{sec}^{2} A + c o s e c^{2} A} = 1

\sqrt{{sec}^{2} A + cos e c^{2} A} = tan A + cot A

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