What is cos(θ+pi)-sin(pi-θ) ?

The solution to cos(θ+pi)-sin(pi-θ) is -cos(θ)-sin(θ)

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simplify cos(θ+pi)-sin(pi-θ)

simplify

cos (θ + π) - sin (π - θ)

- cos (θ) - sin (θ)

Solution steps

cos (θ + π) - sin (π - θ)

Rewrite using trig identities

= - cos (θ) - sin (π - θ)

Rewrite using trig identities

= - cos (θ) - sin (θ)

36 - (6 sin (x))^{2}

tan (48 π + x)

sec^{2} (\frac{11}{45} π) d x

- cos (π - x)

cos (a) 2 sin (- 114 b)

What is cos(θ+pi)-sin(pi-θ) ?
The solution to cos(θ+pi)-sin(pi-θ) is -cos(θ)-sin(θ)