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TISS-NET (PG) Relations and Functions — practice questions

5 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

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If sin θ = 3/5 and θ is acute, then cos θ =sin 30° = ?cos 60° = ?If tan θ = 1, what is θ (acute)?Identity: sin²θ + cos²θ = ?