Last updated at Dec. 8, 2016 by
Transcript
E๐ฅ 3.2, 6 Find the value of the trigonometric function sin 765ยฐ sin 765ยฐ = sin (765 ร ๐/180) = sin (17๐/4) = sin (41/4 ๐) = sin (4๐ + 1/4 ๐) = sin (1/4 ๐) = sin (1/4 ร 180ยฐ) = sin 45ยฐ = 1/โ2
Ex 3.2
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