Save Question 17 10 points Use a calculator to evaluate tan2

Save Question 17 (10 points) Use a calculator to evaluate tan\"(-22.7) to 2 decimal places in degrees. If necessary, use 3.1416 as an approximation to pi. Answer

Solution

Let tan^-1(-22.7) equals to \'x\'.

tan^-1(-22.7) =x Apply tan to both sides of the equation.

tantan^-1(-22.7)=tan(x)

tan(x)=-22.7

-87.47758772^o Correct upto two decimal place: -87.48^o

tan^-1(-22.7)=-87.48^o