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Popular >

simplify cos^2(x+pi/2)

Solution

simplify

cos^{2} (x + \frac{π}{2})

Solution

sin^{2} (x)

Solution steps

cos^{2} (x + \frac{π}{2})

Rewrite using trig identities

= (- sin (x))^{2}

Apply exponent rule:

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

if

n

is even

(- sin (x))^{2} = sin^{2} (x)

= sin^{2} (x)

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Frequently Asked Questions (FAQ)

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