31T tan 2. (")- sec(-- 4 20n cot(- + csc( 3 8

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Q: 13. sec*0 sin 8 de

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Q: 3. Rewrite the expression tan (2x) sec² (2x) entirely in terms of tangent.

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Q: sec(2) tan(2) – 1 dz 3.

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Q: Estimate sin 61◦ − sin 60◦ using the Linear Approximation. Hint: Express∆θ in radians.

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Q: If x= ln (sec θ +tan θ) , show that sec θ = cosh x .

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Q: 9. tanx + secx = COSX 1- sinx

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Q: 8. If sin x- cos x = 3, find sin x sec x

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Q: 3. Rewrite the expression tan (2x) sec²(2x) entirely in terms of tangent.

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