Hard trig question (1 Viewer)

Joined
Sep 9, 2015
Messages
53
Gender
Male
HSC
2016
The question is cosxtanx+tanx=cosx+1, I don't know what to do. Thanks.
Also 6sinxcosx+3sinx=2cosx+1, it's the same type of question.
 

Drsoccerball

Well-Known Member
Joined
May 28, 2014
Messages
3,657
Gender
Undisclosed
HSC
2015
The question is cosxtanx+tanx=cosx+1, I don't know what to do. Thanks.
Also 6sinxcosx+3sinx=2cosx+1, it's the same type of question.
cosxtanx +tanx is not equal to cosx +1... try typing an arbitrary value in your calculator
 
Joined
Sep 9, 2015
Messages
53
Gender
Male
HSC
2016
Or is the question asking to solve? Can you please be more specific...
Yep that's the question, if it's any help the answers are 45, 180 and 225 degrees for the first one and 120, 240, 19°28' and 160°32' for the second one.
 

Drsoccerball

Well-Known Member
Joined
May 28, 2014
Messages
3,657
Gender
Undisclosed
HSC
2015
Im not solving it but ill tell you what to do




The second is exactly the same



and im sure you can solve the rest
 

Users Who Are Viewing This Thread (Users: 0, Guests: 1)

Top