Find the solutions of the equation that are in the interval [0, π).

Question

(Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)

(A) tan 4x = tan 2x

x=?

(B) sin2t +sin t= 0

t=?

Answer 1

The easiest way to do this is to use your graphing calculator.

Part 1: multiples of pi/2.

Part 2: this function is periodic with a period of 2 pi and there are 4 zeros in each period.