en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify cos^2(180-x)

Solution

simplify

cos^{2} (18 0^{\circ} - x)

Solution

cos^{2} (x)

Solution steps

cos^{2} (18 0^{\circ} - x)

Rewrite using trig identities

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

Apply exponent rule:

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

if

n

is even

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

= cos^{2} (x)

Popular Examples

simplify sec(180-x)simplify

sec (18 0^{\circ} - x)

simplify csc(270-x)simplify

csc (27 0^{\circ} - x)

simplify sqrt(9-(3cos(x))^2)simplify

9 - (3 cos (x))^{2}

simplify sin(cos(-1(x)))simplify

sin (cos (- 1 (x)))

simplify 2/(sqrt(1+tan^2(x)))simplify

\frac{2}{1 + tan ^{2} ( x )}

Frequently Asked Questions (FAQ)

What is cos^2(180-x) ?
The solution to cos^2(180-x) is cos^2(x)