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Subjects
Mathematics State Board
Class 9
Trigonometry
6.
Two mark example problems III
Exercise condition:
6
m.
Express:
(i)
\(sin \ 74^{\circ}\) in terms of cosine \(=\)
cos 16°
sec 51°
cot 78°
(ii)
\(tan \ 12^{\circ}\) in terms of cotangent \(=\)
cos 16°
cot 78°
sec 51°
(iii)
\(cosec \ 39^{\circ}\) in terms of secant \(=\)
sec 51°
cot 78°
cos 16°
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