\[
\sin \theta = \frac{4}{5} = 0.8
\]

**Questions:**
1. \(\cos \theta\) if adjacent side = 3 cm, hypotenuse = 5 cm?
2. \(\tan \theta\) if opposite side = 4 cm, adjacent side = 3 cm?
3. \(\sin \theta\) if opposite side = 5 cm, hypotenuse = 13 cm?
4. \(\cos \theta\) if opposite side = 8 cm, hypotenuse = 10 cm?
5. \(\sec \theta\) if hypotenuse = 10 cm, adjacent side = 6 cm?
6. \(\csc \theta\) if opposite side = 7 cm, hypotenuse = 25 cm?
7. \(\tan \theta\) if opposite side = 1 cm, adjacent side = 1 cm?
8. \(\cos \theta\) if opposite side = 9 cm, hypotenuse = 15 cm?

**Tip:** Double-check ratios for accuracy.

Explore trigonometric ratios in right triangles with practice questions. Solve for sine, cosine, and tangent ratios given different sides of the triangle. Includes solutions and tips for accuracy.

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