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Sahay Sir > Question Answers > NCERT Class 10 > Maths > Chapter 8 - Introduction to Trigonometry > Prove the following identities, where the angles involved are acute angles for which the expressions are defined. (viii) (sin A + cosec A)^2 + (cos A + sec A)^2 = 7+tan^2A + cot^2A

Prove the following identities, where the angles involved are acute angles for which the expressions are defined. (viii) (sin A + cosec A)^2 + (cos A + sec A)^2 = 7+tan^2A + cot^2A

Prove the following identities where the angles involved are acute angles for which the expressions are defined. (viii) (sin A + cosec A)^2 + (cos A + sec A)^2 = 7+tan^2A + cot^2A