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Popular >

simplify cos(a+30)

Solution

simplify

cos (a + 3 0^{\circ})

Solution

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

Solution steps

cos (a + 3 0^{\circ})

Rewrite using trig identities

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

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Frequently Asked Questions (FAQ)

What is cos(a+30) ?
The solution to cos(a+30) is (sqrt(3))/2 cos(a)-1/2 sin(a)