Trig Inequalities

[@shalatimhlongo7627]

Thank you so much. this really helped. please post more videos!

[@yashgupta9190]

Please tell a versatile methodology to solve these

[@rohanpatel9797]

So helpful!

[@yevfuze]

Thanks for the video! I needed it to refresh my memory. Although in your first example you forgot to include the answer x=0 :)