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प्रश्न
Choose the correct alternative:
sec2θ – tan2θ =?
विकल्प
0
1
2
`sqrt(2)`
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उत्तर
1
1 + tan2θ = sec2θ
∵ sec2θ – tan2θ = 1.
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संबंधित प्रश्न
Prove the following identities, where the angles involved are acute angles for which the expressions are defined:
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