Prove that (cosA-sinA+1)/(cosA+sinA-1)=cosecA+cotA,if angles are acute.Class-10 NCERT ex-8.4,Q5.v

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Maths, NCERT, CLASS-X, Chapter-Introduction to Trigonometry, Exercise-8.4

Q5)Prove the following identities, where the angles involved are acute angles for which the
expressions are defined.

Q.(v) (cosA-sinA+1)/(cosA+sinA-1)=cosecA+cotA

First Method:

Second Method:

Trigonometry formulas tricks on magical Hexagons.

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Introduction to Trigonometry

What is Trigonometric ratio? Trigonometry formulas, part-1

Trigonometric Ratios of Some Specific Angles

What is Trigonometry Identities?

Trigonometric Ratios of Complementary Angles.

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