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Popular >

simplify 3cos(x+pi/2)-1

Solution

simplify

3 cos (x + \frac{π}{2}) - 1

Solution

- 3 sin (x) - 1

Solution steps

3 cos (x + \frac{π}{2}) - 1

Rewrite using trig identities

= 3 (- sin (x)) - 1

Remove parentheses:

(- a) = - a

= - 3 sin (x) - 1

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Frequently Asked Questions (FAQ)

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