What is cos(pi-θ)+sin(pi/2+θ) ?

The solution to cos(pi-θ)+sin(pi/2+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(pi-θ)+sin(pi/2+θ)

simplify

cos (π - θ) + sin (\frac{π}{2} + θ)

0

Solution steps

cos (π - θ) + sin (\frac{π}{2} + θ)

Rewrite using trig identities

= - cos (θ) + sin (\frac{π}{2} + θ)

Rewrite using trig identities

= - cos (θ) + cos (θ)

Add similar elements:

- cos (θ) + cos (θ) = 0

= 0

13 sin (θ - 5 4^{\circ})

cos (\frac{x}{2} + \frac{π}{2})

sin (- \frac{7 π}{2} + x)

4 tan (- x) + 4 sin (- 2 x)

sin (x - \frac{π}{4})