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ExplanationStep 1: Identity is 1+tan²θ=sec²θ. Step 2: sec²θ cos²θ = 1. Step 3: Reciprocal identities are very useful in simplification.
Step 1: Identity 1+tan²θ=sec²θ है। Step 2: sec²θ cos²θ = 1 होता है। Step 3: Reciprocal identities simplification में बहुत useful हैं।
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