How do you find the values of the six trigonometric functions of #t= ((7 pi) / 6)#?
Find values of trig functions
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To find the values of the six trigonometric functions (sine, cosine, tangent, cosecant, secant, and cotangent) for ( t = \frac{7\pi}{6} ), we can use the unit circle or the reference angle method.
Given that ( t = \frac{7\pi}{6} ), which lies in the third quadrant, we can determine its reference angle by subtracting ( \pi ) from ( \frac{7\pi}{6} ):
[ \text{Reference angle} = \frac{7\pi}{6} - \pi = \frac{\pi}{6} ]
Now, we can find the values of the trigonometric functions:
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Sine (( \sin )): [ \sin\left(\frac{7\pi}{6}\right) = -\sin\left(\frac{\pi}{6}\right) = -\frac{1}{2} ]
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Cosine (( \cos )): [ \cos\left(\frac{7\pi}{6}\right) = -\cos\left(\frac{\pi}{6}\right) = -\frac{\sqrt{3}}{2} ]
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Tangent (( \tan )): [ \tan\left(\frac{7\pi}{6}\right) = -\tan\left(\frac{\pi}{6}\right) = -\frac{1}{\sqrt{3}} = -\frac{\sqrt{3}}{3} ]
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Cosecant (( \csc )): [ \csc\left(\frac{7\pi}{6}\right) = -\csc\left(\frac{\pi}{6}\right) = -\frac{1}{\sin\left(\frac{\pi}{6}\right)} = -\frac{1}{\frac{1}{2}} = -2 ]
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Secant (( \sec )): [ \sec\left(\frac{7\pi}{6}\right) = -\sec\left(\frac{\pi}{6}\right) = -\frac{1}{\cos\left(\frac{\pi}{6}\right)} = -\frac{2}{\sqrt{3}} ]
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Cotangent (( \cot )): [ \cot\left(\frac{7\pi}{6}\right) = -\cot\left(\frac{\pi}{6}\right) = -\frac{1}{\tan\left(\frac{\pi}{6}\right)} = -\sqrt{3} ]
So, the values of the six trigonometric functions for ( t = \frac{7\pi}{6} ) are:
[ \sin\left(\frac{7\pi}{6}\right) = -\frac{1}{2} ] [ \cos\left(\frac{7\pi}{6}\right) = -\frac{\sqrt{3}}{2} ] [ \tan\left(\frac{7\pi}{6}\right) = -\frac{\sqrt{3}}{3} ] [ \csc\left(\frac{7\pi}{6}\right) = -2 ] [ \sec\left(\frac{7\pi}{6}\right) = -\frac{2}{\sqrt{3}} ] [ \cot\left(\frac{7\pi}{6}\right) = -\sqrt{3} ]
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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