What is cos(90+θ)+sin(θ) ?

The solution to cos(90+θ)+sin(θ) is 0

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify cos(90+θ)+sin(θ)

simplify

cos (9 0^{\circ} + θ) + sin (θ)

0

Solution steps

cos (9 0^{\circ} + θ) + sin (θ)

Rewrite using trig identities

= - sin (θ) + sin (θ)

Add similar elements:

- sin (θ) + sin (θ) = 0

= 0

cos (4 x - \frac{π}{2})

3 + tan (x - \frac{π}{3})

\frac{x e ^{x}}{x sin ( x )}

t^{2} sin (- 2 t)

2 sin (3 x + \frac{π}{4}) - 1