Maths

sin 130 cos 110 + cos 130 sin110

Perumal Natarajan's image
Perumal Natarajan
Oct. 2, 2018, 9:35 p.m.

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Sk Premi's image
Sk Premi
Oct. 4, 2018, 5:58 a.m.
Sin (180 60)
-Sin(60)
_ _/3/2
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Perumal Natarajan's image