What is cos(x+(7pi)/6) ?

The solution to cos(x+(7pi)/6) is -(sqrt(3))/2 cos(x)+1/2 sin(x)

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simplify cos(x+(7pi)/6)

simplify

cos (x + \frac{7 π}{6})

- \frac{3}{2} cos (x) + \frac{1}{2} sin (x)

Solution steps

cos (x + \frac{7 π}{6})

Rewrite using trig identities

= - \frac{3}{2} cos (x) + \frac{1}{2} sin (x)

- 6 cos (x + \frac{π}{4})

\frac{tan ( y ) d y}{cos ^{2} ( y )}

cot (\frac{3 π}{2} - x)

cos (377 t) \cdot cos (377 t + π)

sin (x + 27 0^{\circ})

What is cos(x+(7pi)/6) ?
The solution to cos(x+(7pi)/6) is -(sqrt(3))/2 cos(x)+1/2 sin(x)