Find the values of the trigonometric functions sin 765^∘ sin 765^∘ =sin(720^∘+45^∘) ...

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Find the values of the trigonometric functions sin 765^∘

sin 765^∘ =sin(720^∘+45^∘)
=sin(2 × 360^∘+45^∘)

=sin 45^∘

sin 765^∘=1/√(2) Ans.

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