What is sin(x+pi)+cos(x+pi) ?

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

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simplify sin(x+pi)+cos(x+pi)

simplify

sin (x + π) + cos (x + π)

- sin (x) - cos (x)

Solution steps

sin (x + π) + cos (x + π)

Rewrite using trig identities

= sin (x + π) - cos (x)

Rewrite using trig identities

= - sin (x) - cos (x)

cos (x - 13 5^{\circ})

sin (kn + \frac{π}{3}) + e^{- 0.3 n}

sin (a - 18 0^{\circ})

tan (arcsec (\frac{x}{7}))

\frac{1}{sec ^{2} ( y )} d y

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