6.17, beginning of general solutions of trigonometric equations, please help! (1 Viewer)

[crazyspacedust]

Question 1. part i) I'm extremely stuck :/ Any help would be much appreciated!

This is the question: 2sinxtanx-tanx+2sinx-1=0

 

[Drongoski]

.: tanx(2sinx - 1) + 1(2sinx -1) = 0

.: (2sinx - 1)(tanx + 1) = 0

.: sin x = 0.5 or tan x = -1

You take it from there.

 

[crazyspacedust]

Thank you so much! Heaps appreciated xx