Question

Sin 50° - Siyo isequal to
Sin

Answer 1

Answer:

The identities of sine 50° are as follows:

sin50°

= cos (90°-50°) = cos 40°

= sin (180°-50°) = sin 130°

-sin50°

= cos (90°+50°) = cos 140°

= sin (180°+50°) = sin 230°

Note that sin50° is periodic: sin (50° + n × 360°) = sin 50 degrees, n-z

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