Find the value of the expression sin 10x cos 10 / sin 20?
| November 16, 2020 | education
We select monomials and reduce the coefficients:
sin 10 x cos 10 / sin 20 = cos 10 / sin 2 = cos 5 / sin
As a result: sin 10 x cos 10 / sin 20 = cos 5 / sin
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