Find the exact value of the expression if it is defined If a

Find the exact value of the expression, if it is defined. (If an answer i 2 in-fein(?)) s undefined, enter UNDEFINED.) sin1(sin sin sin 6 + -/1 points SPreCalc7 5.5.041 Find the exact value of the expression, if it is defined. (If an answer is undefined, enter UNDEFINED.) 2 tan-1 tan +-/1 points SPreCalc7 5.5.042 MI Find the exact value of the expression, if it is defined. (If an answer is undefined, enter UNDEFINED.) sin-1(sin(49) sin-1 sin

Solution

sin^-1(sin(7pi/6))

sin 7pi/6=-1/2

Therefore sin^-1(-1/2)= -pi/6

tan^-1(tan(2pi/3))

tan 2pi/3= - sqrt 3

Therefore tan^-1(-sqrt3)= -pi/3

sin-1(sin(17pi/6))

sin(17pi/6)=1/2

sin^-1(1/2)=pi/6