Question

find the value of sin 690°​

Answer 1

$\sin \: {690}^{0} = \sin( {720}^{0} - {30}^{0} ) </p><p> </p><p>$

$= > \sin(2 \times {360}^{0} - {30}^{0} )$

$= > - \sin \: {30}^{0}$

$= > \frac{ - 1}{2}$

I hope this will help you dear..

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Answer 2

Step-by-step explanation:

Thunderstorm, a violent short-lived weather disturbance that is almost always associated with lightning, thunder, dense clouds, heavy rain or hail, and strong gusty winds. ... Thunderstorms arise when layers of warm, moist air rise in a large, swift updraft to cooler regions of the atmosphere.