What is sin(arccos(13x)) ?

The solution to sin(arccos(13x)) is sqrt(1-169x^2)

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simplify sin(arccos(13x))

simplify

sin (arccos (13 x))

1 - 169 x^{2}

Solution steps

sin (arccos (13 x))

Use the following identity:

sin (arccos (x)) = 1 - x^{2}

= 1 - (13 x)^{2}

Simplify

= 1 - 169 x^{2}

sin (18 0^{\circ} + α)

\frac{e ^{- x}}{sin ( y )}

tan (arccos (θ))

cot (54 0^{\circ} + x)

4 sec (θ - \frac{π}{3})