Question

How do you evaluate `Sin(pi/2) + 6 cos(pi/3)`?

Answer 1

4

Explanation:

`S = sin (pi/2) + 6cos(pi/3)`
Trig table gives ->
`sin (pi/2) = 1`
`cos (pi/3) = 1/2`
Therefor,
`S = 1 + 6(1/2) = 1 + 3 = 4`