Ex 3.2, 6 - Chapter 3 Class 11 Trigonometric Functions
Last updated at Dec. 13, 2024 by Teachoo
Last updated at Dec. 13, 2024 by Teachoo
Ex 3.2, 6 Find the value of the trigonometric function sin 765ยฐ sin 765ยฐ = sin (765 ร ๐/180) = sin (๐๐๐ /๐) = sin (41/4 ๐) = sin (4๐ + ๐/๐ ๐ ) = sin (๐/๐ ๐ ) Values of sin x repeats after an interval of 2ฯ Hence, ignoring 2 ร (2ฯ) i.e. 4ฯ = sin (1/4 ร 180ยฐ) = sin 45ยฐ = ๐/โ๐
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