What is cos(arcsin(8x)) ?

The solution to cos(arcsin(8x)) is sqrt(1-64x^2)

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simplify cos(arcsin(8x))

simplify

cos (arcsin (8 x))

1 - 64 x^{2}

Solution steps

cos (arcsin (8 x))

Use the following identity:

cos (arcsin (x)) = 1 - x^{2}

= 1 - (8 x)^{2}

Simplify

= 1 - 64 x^{2}

sin (π + θ)

tan (18 0^{\circ} - a)

cos (x - \frac{π}{3})

cos (t + π)

sin (- 2 π + x)