Use suitable sum-to-product formulas to rewrite the following expression in terms of tan3x. sin 2x + sin 4x cos 2x + cos 4x

Q: Write the expression as an algebraic expression in u u0 tan cos tan cos (Simplify your answer,…

A: Using trigonometric inverse formula

Q: Use the product-to-sum identities to rewrite the following expression. sin (2s - 3) cos (s +3) sin…

A: Given that,             sin(2s-3) cos(s+3) =22 sin(2s-3) cos(s+3)=2sin(2s-3) cos(s+3)2…

Q: Let a and b be positive numbers. Evaluate sin (tan O 60 b a² +6² a (tan-¹ (7)). √a² +6² √a² +6² a²…

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Q: Express the following sum as a product. cos(2α)+cos(4α) Make sure to put any arguments of…

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Q: Evaluate the following (i) sin 78° cos 18° cos 78° sin 18° (ii) cos 47° cos 13° sin 47° sin 13°

A: These problems can be solved by using trigonometric formulas for sum and difference of two angles.…

Q: Write the sum as a product: cos(15.5æ) + cos(10.3x)

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Q: Use the sum-to-product formulas to rewrite the sum or difference as a product. cos x + cos 2x

A: Here we want to write the given sum as a product using sum to product formula.