What is 3cos(4t+pi/3) ?

The solution to 3cos(4t+pi/3) is 3(1/2 cos(4t)-(sqrt(3))/2 sin(4t))

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simplify 3cos(4t+pi/3)

simplify

3 cos (4 t + \frac{π}{3})

3 (\frac{1}{2} cos (4 t) - \frac{3}{2} sin (4 t))

Solution steps

3 cos (4 t + \frac{π}{3})

Rewrite using trig identities

= 3 (\frac{1}{2} cos (4 t) - \frac{3}{2} sin (4 t))

sin (\frac{1}{cos ( x )})

sin (θ + π)

tan (\frac{π}{2} + θ)

tan (arcsin (\frac{x}{7}))

sin (arccos (\frac{3}{x}))

What is 3cos(4t+pi/3) ?
The solution to 3cos(4t+pi/3) is 3(1/2 cos(4t)-(sqrt(3))/2 sin(4t))