Chapter 9: Problem 8
If \(\tan \phi<0\) and \(\sin \phi>0\), state the quadrant in which \(\phi\) lies.
Chapter 9: Problem 8
If \(\tan \phi<0\) and \(\sin \phi>0\), state the quadrant in which \(\phi\) lies.
All the tools & learning materials you need for study success - in one app.
Get started for freeExpress \(\frac{1}{2} \cos t+\sin t\) in the form \(A \sin (\omega t-\alpha), \alpha \geq 0\)
Convert the following angles in degrees to radians: (a) \(12^{\circ}\) (b) \(65^{\circ}\) (c) \(200^{\circ}\) (d) \(340^{\circ}\) (e) \(1000^{\circ}\)
Show \(\tan \left(180^{\circ}+\theta\right)=\tan \theta\)
Show that (a) \(\tan ^{2} \theta+1=\sec ^{2} \theta\) (b) \(1+\cot ^{2} \theta=\operatorname{cosec}^{2} \theta\)
An angle \(\beta\) is such that \(\cos \beta>0\) and \(\tan \beta<0\). State the range of possible values of \(\beta\).
What do you think about this solution?
We value your feedback to improve our textbook solutions.