What is the value of cos((3pi)/4)+sin((3pi)/4) ?

The value of cos((3pi)/4)+sin((3pi)/4) is 0

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cos((3pi)/4)+sin((3pi)/4)

cos (\frac{3 π}{4}) + sin (\frac{3 π}{4})

0

Solution steps

cos (\frac{3 π}{4}) + sin (\frac{3 π}{4})

Use the following trivial identity:

cos (\frac{3 π}{4}) = - \frac{2}{2}

Use the following trivial identity:

sin (\frac{3 π}{4}) = \frac{2}{2}

= - \frac{2}{2} + \frac{2}{2}

Simplify

= 0

tan^{2} (1921 4^{\circ})

arcsec (- 1.0167)

arctan (\frac{35}{65})

csc (15 1^{\circ})

sin (22. 6^{\circ})

What is the value of cos((3pi)/4)+sin((3pi)/4) ?
The value of cos((3pi)/4)+sin((3pi)/4) is 0