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Find the values of other five trigonomet...

Find the values of other five trigonometric functions.
`tan theta = -2, theta` lies in the II quadrant

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The correct Answer is:
`sintheta=2/sqrt5`;`cosectheta=sqrt5/2`;`costheta=-1/sqrt5`;`sectheta=-sqrt5/1`;`tantheta=-2`;`cottheta=-1/2`.
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