If `4(sin^(3)xcos3x+cos^3xsin3x)=9/5` then the value of `cos8x=...`

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If sin^(3)x cos3x+cos^(3)x sin 3x=3//8 , then the value of sin 4x is ___________

If sin^(3) x cos 3x + cos^(3) x sin 3x = 3//8 , then the value of 8 sin 4x is ____________.

If sin^(3)x cos3x+cos^(3)x sin3x=(3)/(8), then the value of 8sin4x is _(-)

If sin^3 x cos 3x + cos^3 x sin 3x = 3//8 , then the value of 8 sin 4x is ............

If sin^(3)x cos3x+cos^(3)x sin3x=(3)/(8), then the value of sin4x is (1)/(2)(b)1(c)-(1)/(2)(d)0

3sin x+5cos x=5 then find the value of 5sin x-3cos x

If 3sin x+5cos x=5 then write the value of 5sin x-3cos x

If 3 sin x + 5 cos x =5 , then what is the value of (3cos x - 5sin x) ?

(sin5x+sin3x)/(cos5x+cos3x)=