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PSEB-TRIGONOMETRIC FUNCTIONS-EXERCISE
- Prove the following: cos 4x = 1 - 8sin^2 x cos^2 x
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- Prove the following: cos 6x = 32 cos^6 x -48cos^4 x + 18 cos^2 x - 1
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- Find the principal and general solutions of the following equation:- t...
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- Find the principal and general solutions of the following equation:- s...
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- Find the principal and general solutions of the following equation:- c...
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- Find the principal and general solutions of the following equation:- c...
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- Find the general solution of the following equations: cos 4 x = cos 2x
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- Find the general solution of the following equations: cos 3x + cosx- c...
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- Find the general solution of the following equations: sin 2x + cosx = ...
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- Find the general solution of the following equations: sec^2 2x = 1- ta...
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- Find the general solution of the following equations: sin x + sin 3x +...
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- Prove that: 2cos frac (pi)(13)cos frac (9pi)(13)+cos frac (3pi)(13)+co...
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- Prove that: (sin 3x + sin x) sin x + (cos 3x -cos x) cos x = 0
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- Prove that: (cos x + cos y)^2 + (sin x -sin y)^2 = 4 cos^2frac (x+y)(2...
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- Prove that: (cosx-cosy)^2 +(sinx-siny)^2=4 sin^2frac (x-y)(2)
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- Prove that: sin x + sin 3x + sin 5x + sin 7x= 4 cos x cos 2x sin 4x
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- Prove that: ((sin 7x + sin 5x) + (sin 9x + sin 3x))/((cos7x + cos5x) +...
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- Prove that: sin 3x + sin 2x -sin x = 4sin x cosfrac(x)(2)cosfrac(3x)(2...
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- Find sinfrac(x)(2), cosfrac(x)(2) and tanfrac(x)(2) in the following:-...
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- Find sinfrac(x)(2), cosfrac(x)(2) and tanfrac(x)(2) in the following:-...
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