Question

What does `cos(arctan(1))+3csc(arc tan(1))` equal?

Answer 1

Find values of trig expression

Ans: `(7sqrt2)/2`

Explanation:

`arctan (1) = pi/4` --> `cos (pi/4) = sqrt2/2`
`3csc (pi/4) = 3/(sin ((pi)/4)) = (3)(2/sqrt2) = 6/sqrt2 = (6sqrt2)/2`
`cos (pi/4) + 3csc (pi/4) = (7sqrt2)/2`