Prove that 1-cotA-tan Asin A-cos A- A - cosec- 2 A-cosec A - - 2 A

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Trigonometric Ratios of Multiples of an Angle

prove that 1+...

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prove that (1+cotA+tanA)(sinA-cosA)=(secA/cosec^2A)-(cosecA/sec^2A)

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Prove that: (1+cot+ tan A)(sin A- cos A)= sec A/ cosec²A-cosec A/ sec² 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

Prove the following identities:

$(1 + c o t A + t a n A) (s i n A - c o s A) = \frac{s e c A}{c o s e c^{2} A} - \frac{c o s e c A}{s e c^{2} A} = s i n A t a n A - c o t A c o s A$

(1 + cot A + tan A) (sin A - cos A) = \frac{sec A}{{csc}^{2} A} - \frac{csc A}{sec^{2} A}

prove that: cotA-cosA/ cotA +cosA = cosecA-1/cosecA+1

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