Question

Find the exact value of the expression

tan(sin^-1(4/9))

Answer 1

\[\tan (\sin^{-1} 4/9)\]

Answer 2

(4sqrt65)/65

Answer 3

correct?

Answer 4

was that what the calculator said?

Answer 5

good point...but i'm not using a calc.

Answer 6

you did that manually???? how could you!? :O

Answer 7

Yes...

Answer 8

x^2+16=81

x^2=65

x=sqrt65

tan(theta)=opp/adj=4/sqrt65

=(4sqrt65)/65

Answer 9

your answer is correct

Answer 10

ok, thanks

Answer 11

yw