### Home > CALC > Chapter Ch9 > Lesson 9.2.2 > Problem 9-70

9-70.

Convert the following pairs of parametric equations into rectangular form (in terms of

*x*and*y*). Homework Help ✎*x*= cos*t*and*y*= sin*t**x*= cos(2*t*) and*y*= sin(2*t*)*x*=*t*^{4}− 3*t*^{2}and*y*=*t*^{2}

sin^{2}(*x*) + cos^{2}(*x*) = 1