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Popular >

simplify cos^3(x+pi/2)

Solution

simplify

cos^{3} (x + \frac{π}{2})

Solution

- sin^{3} (x)

Solution steps

cos^{3} (x + \frac{π}{2})

Rewrite using trig identities

= (- sin (x))^{3}

Apply exponent rule:

(- a)^{n} = - a^{n},

if

n

is odd

(- sin (x))^{3} = - sin^{3} (x)

= - sin^{3} (x)

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Frequently Asked Questions (FAQ)

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