Write the expression in rectangular form, x + yi, and in

Last updated: 8/5/2022

Write the expression in rectangular form, x + yi, and in exponential form, re^iθ [2(cos 3π/8+ i sin 3π/8)]^4 The rectangular form of the given expression is__and the exponential form of the given expression is.___ (Simplify your answers. Type exact answers, using as needed. Use integers or fractions for any numbers in the expressions.)