Time remaining:
express the given sum or difference as a product of sine/cosines

Mathematics
Tutor: None Selected Time limit: 0 Hours

Mar 3rd, 2015

sin A − sin B  =  2 sin ½ (AB) cos ½ (A + B)

sin 5Ө - sin 3Ө = 2 sin ½ ( 5Ө − 3Ө) cos ½ ( 5Ө + 3Ө) = 2 sin Ө cos 4Ө

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Mar 3rd, 2015

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Mar 3rd, 2015
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Mar 3rd, 2015
Dec 10th, 2016
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