Question

How do you find the exact value of `sin((3pi)/4)+sin((5pi)/6)`?

Answer 1

`(1 + sqrt2)/2`

Explanation:

Use Trig Table of special arcs -->
`sin ((5pi)/6) = 1/2`
`sin ((3pi)/4) = sqrt2/2`
`sin ((3pi)/4) + sin ((5pi)/6) = 1/2 + sqrt2/2 = (1 + sqrt2)/2`