What is sqrt(8cos(x+pi/4)) ?

The solution to sqrt(8cos(x+pi/4)) is 2sqrt(\sqrt{2)cos(x)-sqrt(2)sin(x)}

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify sqrt(8cos(x+pi/4))

simplify

8 cos (x + \frac{π}{4})

2 2 cos (x) - 2 sin (x)

Solution steps

8 cos (x + \frac{π}{4})

Rewrite using trig identities

= 8 \cdot \frac{2 cos ( x ) - 2 sin ( x )}{2}

Simplify

8 \cdot \frac{2 cos ( x ) - 2 sin ( x )}{2} : 2 2 cos (x) - 2 sin (x)

= 2 2 cos (x) - 2 sin (x)

cos (arcsin (4 w))

- cos (θ) - (- cos (- θ))

sin (t - 3 0^{\circ})

tan (arcsin (\frac{x}{x + 1}))

sec (arctan (a))

What is sqrt(8cos(x+pi/4)) ?
The solution to sqrt(8cos(x+pi/4)) is 2sqrt(\sqrt{2)cos(x)-sqrt(2)sin(x)}