What is the value of e^0+cos(pi/4+(3pi)/4) ?

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

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e^0+cos(pi/4+(3pi)/4)

e^{0} + cos (\frac{π}{4} + \frac{3 π}{4})

0

Solution steps

e^{0} + cos (\frac{π}{4} + \frac{3 π}{4})

Simplify:

\frac{π}{4} + \frac{3 π}{4} = π

e^{0} + cos (π) = 1 + cos (π)

= 1 + cos (π)

Use the following trivial identity:

cos (π) = (- 1)

= 1 - 1

Simplify

= 0

tan (5 3^{\circ}) (30)

csc (6 5^{\circ})

2 arccot (e^{c s c (- 2)})

- 40 sin (0.588) - 60 cos (0.588)

\frac{tan ( 14 5 ^{\circ} ) - tan ( 8 5 ^{\circ} )}{1 + tan ( 14 5 ^{\circ} ) tan ( 8 5 ^{\circ} )}

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