Question

tan 2x=-1 for 0°<x<360°​

Answer 1

Step-by-step explanation:

tan will be negative in two quadrants that is 2 and 4th

tan2x should be in 2nd or 4th

so tan2x=tan(180-45)

2x= 135

x=135/2

x= 67(1/2)

and 4th

tan2x=tan(360-45)

2x=315

x= 315/2

x=157(1/2)