What is 3xcos(x^2-pi/2) ?

The solution to 3xcos(x^2-pi/2) is 3xsin(x^2)

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simplify 3xcos(x^2-pi/2)

simplify

3 x cos (x^{2} - \frac{π}{2})

3 x sin (x^{2})

Solution steps

3 x cos (x^{2} - \frac{π}{2})

Rewrite using trig identities

= 3 x sin (x^{2})

csc (x - 27 0^{\circ})

sin (- x) sin (π - x) - 1

sin (arcsin (\frac{x}{a}))

sin (\frac{π}{2} - \frac{x}{2})

4 sin (5 t + \frac{π}{2})