When we find sin 42°37', we add mean difference for 1' and value of sin 42°36'.

True

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False

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Solution

The correct option is A True

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Similar questions

Using trigonometric tables, find the value of $\frac{s i n 64^{\circ} 42^{'} + c o s 42^{\circ} 20^{'}}{t a n 36^{\circ} 40^{'} + c o t 63^{\circ} 20^{'}}$

Q. Find the value :

sin 78^{\circ} - sin 18^{\circ} + sin 30^{\circ} - sin 42^{\circ}

Q. Find the value of

\frac{s i n 48^{o} + c o s 42^{o}}{c o t 42^{o}} - \frac{1}{s e c 48^{o}}

Q. When we find cos 35°14', we subtract mean difference for 2' from the value of cos 35°12'.

Find the value of sin $48^{o}$ sec $42^{o}$ + cos $48^{o}$ cosec $42^{o}$ .

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