Find the value of $sin (765^{o})$ .

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Solution

To find the value of $sin (765^{o})$

$sin (765^{o})$ $= sin (720^{o} + 45^{o})$

$sin (765^{o})$ $= sin (2 \times 360^{o} + 45^{o})$

$sin (765^{o})$ $= sin 45^{o}$

$sin (765^{o})$ $= \frac{1}{\sqrt{2}}$ .

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Similar questions

sin 765^{o} = - \frac{1}{\sqrt{2}}

(666)^{2}

(66666)^{2}

\sqrt{110889}

\sqrt{11.0889} + \sqrt{1108.89}

\sqrt{103.0225}

\sqrt{10302.25}

\sqrt{1.030225}

Find the value of $\sqrt{103.0225}$ and hence find the value of

i) $\sqrt{10302.25}$

ii) $\sqrt{1.030225}$

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