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Popular >

expand 4sin(2x-pi/2)

Solution

expand

4 sin (2 x - \frac{π}{2})

Solution

- 4 cos (2 x)

Solution steps

4 sin (2 x - \frac{π}{2})

Rewrite using trig identities

= 4 (- cos (2 x))

Remove parentheses:

(- a) = - a

= - 4 cos (2 x)

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Frequently Asked Questions (FAQ)

What is expand 4sin(2x-pi/2) ?
The solution to expand 4sin(2x-pi/2) is -4cos(2x)