laelkirezi laelkirezi

21-03-2021
Mathematics

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Show that sin( + 180°) + 2 cos( − 360°) − sin( − 180°) = 2x

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faisalkhanahmadzai88 faisalkhanahmadzai88

21-03-2021

Answer:

Example 1: Change sin 80° cos 130° + cos 80° sin 130° into a trigonometric function in ... Example 2: Verify that cos (180° − x) = − cos x ... Example 7: Verify that sin (360° − x) = − sin x.

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