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Given that [tex]\operatorname{cot} \theta=\frac{2}{3}[/tex], find [tex]\tan \theta[/tex], leaving your answer in surd form.

Sagot :

To find the value of [tex]\(\tan \theta\)[/tex] given that the cosecant ([tex]\(\csc \theta\)[/tex]) is [tex]\(\frac{2}{3}\)[/tex], let's proceed step-by-step.

1. Given:
[tex]\[\csc \theta = \frac{2}{3}\][/tex]

2. Recall the definition of cosecant:
[tex]\[\csc \theta = \frac{1}{\sin \theta}\][/tex]
Therefore,
[tex]\[\sin \theta = \frac{1}{\csc \theta} = \frac{1}{\frac{2}{3}} = \frac{3}{2}\][/tex]

3. However, the sine function values must be between -1 and 1. So we need to carefully evaluate this correctly by revisiting:

Let's consider the typical representation for a right-angled triangle invoked by trigonometric ratios;
- Opposite side (relative to [tex]\(\theta\)[/tex]): [tex]\(opposite\)[/tex]
- Hypotenuse: [tex]\(hypotenuse\)[/tex]

Since [tex]\(\operatorname{cosec}\theta = \frac{hypotenuse}{opposite}\)[/tex]:
[tex]\[ hypotenuse = 2k , \quad opposite = 3k \quad(for \, some\, scalar \, k) \][/tex]

4. Finding the adjacent side:
Using the Pythagorean Theorem:
[tex]\[ hypotenuse^2 = opposite^2 + adjacent^2 \][/tex]
[tex]\[ (2k)^2 = (3k)^2 + adjacent^2 \][/tex]
[tex]\[ 4k^2 = 9k^2 + adjacent^2 \][/tex]
[tex]\[ adjacent^2 = 4k^2 - 9k^2 \][/tex]
[tex]\[ adjacent^2 = 4k^2 - 9k^2 = -5k^2 (this indicates we've misinterpreted conventional trigonometric bounds, follow numerical simplicity)* \][/tex]
5. Finding Tangent relating to Q):
Manual reconstruction as
[tex]\[ adjacent^2 = sqrt9= (5k^2 = 2 - 9 ) 8 =/\][/tex]

3. However, correcting our fundamental input,

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So :

Having:
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