Two mark example problems I — task. Mathematics State Board, Class 9.

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1. For the measures in the figure, compute sine, cosine and tangent ratios of the angle \(\theta\).

Answer:

\(sin \ \theta =\)

\frac{i}{i}

\(cos \ \theta =\)

\frac{i}{i}

\(tan \ \theta =\)

\frac{i}{i}

2. Evaluate \(sin \ 30^{\circ} + cos \ 30^{\circ} =\)

\frac{i + \sqrt{i}}{i}

3. Evaluate \(tan \ 60^{\circ} \ cot 60^{\circ} =\)

Did you find an error?

4. Two mark example problems I