trigonometry formulas Archives

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Deepak BoraNewbie

Asked: July 14, 2020In: CBSE, ICSE

Prove that : cosec^6θ -cot^6θ = 3 cot^2θcosec^2θ +1

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Prove this standard identity using algebraic identity (a+b)³=a³+b³+3ab(a+b) : cosec^6θ -cot^6θ = 3 cot²θcosec²θ +1.

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Deepak BoraNewbie

Asked: July 14, 2020In: CBSE, ICSE

Prove that : ( cos A–sin A+1)/( cos A +sin A–1) = cosec A + cot A, (using the identity cosec^2A = 1+cot2A).

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Prove the following identities, where the angles involved are acute angles for which the expressions are defined. NCERT Maths Solutions class ...Read more

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Deepak BoraNewbie

Asked: July 14, 2020In: CBSE

Express the trigonometric ratios sin A, sec A and tan A in terms of cot A.

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Using the standard Trigonometry formulas/identities convert these rations in terms of cot A.

Discy Latest Questions

Prove that : cosec^6θ -cot^6θ = 3 cot^2θcosec^2θ +1

Prove that : ( cos A–sin A+1)/( cos A +sin A–1) = cosec A + cot A, (using the identity cosec^2A = 1+cot2A).

Express the trigonometric ratios sin A, sec A and tan A in terms of cot A.