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

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1. Evaluate

(i) \(\frac{sin \ 49^{\circ}}{cos \ 41^{\circ}} =\)

(ii) \(\frac{sec \ 63^{\circ}}{cosec \ 27^{\circ}} =\)

2. Find the values of:

(i) \(tan \ 7^{\circ} \ tan \ 23^{\circ} \ tan \ 60^{\circ} \ tan \ 67^{\circ} \ tan \ 83^{\circ} =\)

\sqrt{i}

(ii) \(\frac{cos \ 35^{\circ}}{sin \ 55^{\circ}} + \frac{sin \ 12^{\circ}}{cos \ 78^{\circ}} - \frac{cos \ 18^{\circ}}{sin \ 72^{\circ}} =\)

Did you find an error?

7. Two mark example problems IV