- #1
jrjack
- 111
- 0
cos theta=pi/2...hint pi/2 is not an angle.
[tex]\cos\theta=\frac{\pi}{2}[/tex] HINT:The real number [itex]\frac{\pi}{2}[/itex] is not an angle.
I tried [itex]0=\cos^{-1} \frac{\pi}{2}[/itex], but that equals no solution.
And if [itex]\frac{\pi}{2}[/itex] were an angle the answer would be 0.
Am I solving this correctly?
Homework Statement
[tex]\cos\theta=\frac{\pi}{2}[/tex] HINT:The real number [itex]\frac{\pi}{2}[/itex] is not an angle.
Homework Equations
The Attempt at a Solution
I tried [itex]0=\cos^{-1} \frac{\pi}{2}[/itex], but that equals no solution.
And if [itex]\frac{\pi}{2}[/itex] were an angle the answer would be 0.
Am I solving this correctly?