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Popular >

simplify 2cos(x+30)

Solution

simplify

2 cos (x + 3 0^{\circ})

Solution

3 cos (x) - sin (x)

Solution steps

2 cos (x + 3 0^{\circ})

Rewrite using trig identities

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

Simplify

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

= 3 cos (x) - sin (x)

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Frequently Asked Questions (FAQ)

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