Question

limits. 4sin(x)^2+4cos(x)^2, as x approaches 13pi/75 from the right.

Answer 1

Ha ...

Remember that sin^2(x) + cos^2(x) = 1 for all x

So ....

Answer 2

4

Answer 3

yup, james got it, then just multiply by the factored 4.

Answer 4

thanks!