Detailed step by step solution for lcm cos(3x) sin(x),cos(7x) sin(x)

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LHS=(sin7x sin5x) (sin9x sin3x)(cos7x cos5x) (cos9x cos3x). =2sin(7x 5x2)cos(7x−5x2) 2sin(9x 3x2)cos(9x−3x2)2cos(7x 5x2)cos(7x−5x2) 2cos(9x 3x2)cos(9x−3x2).

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Step by step video & image solution for Period of function f(x) = (sin 7x sin 3x)/(cos 7x cos 3x) is - by Maths experts to help you in doubts & scoring ...

Detailed step by step solution for prove (cos(3x)-cos(7x))/(sin(3x) sin(7x))=tan(2x)

30 Dec 2019 · Hint: Use the linearisation formula: sinacosb=12(sin(a b) sin(a−b)).

18 Dec 2021 · (cos x cos 3x cos 5x cos 7x)/(sinx sin 3x sin 5x sin 7x)=cot 4x. 1. See answer. Unlocked badge showing an astronaut's boot ...

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