What is cos(arcsin(19x)) ?

The solution to cos(arcsin(19x)) is sqrt(1-361x^2)

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simplify cos(arcsin(19x))

simplify

cos (arcsin (19 x))

1 - 361 x^{2}

Solution steps

cos (arcsin (19 x))

Use the following identity:

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

= 1 - (19 x)^{2}

Simplify

= 1 - 361 x^{2}

tan (36 0^{\circ} + x)

cot (9 0^{\circ} - θ)

cos (θ + 9 0^{\circ})

sin (π + nπ)

cos (π + a)