magalyrodette9058 magalyrodette9058

02-03-2018
Mathematics

contestada

Write the expression in terms of sine only sin 9x cos 9x

Respuesta :

nikita83 nikita83

02-03-2018

[tex]\sin 2\alpha= 2\sin \alpha\cos\alpha\quad\Rightarrow\quad\sin 9x\cos 9x=\frac{1}{2}\sin 18x[/tex]

Answer Link

Otras preguntas

Question 7 of 25 The coefficients corresponding to k = 0, 1, 2, ..., 4 in the expansion of (x + y)² are A. 1, 4, 6, 4, 1 B. 0, 1, 4, 6, 4, 1,0 C. 0, 4, 6, 4, 0

Can I have free vbucks in Fortnit?

100 points again 100 points again 100 points again

What natural resource was mined to power the industrial revolution in england?

how many integers between 2020 and 2400 have four distinct digits arranged in increasing order? (for example, 2357 is one such integer.)

Fraction first example is 2 by 5 is 2 parts of 5 but the second one 1 by 3 =? Third 2 by 4 is =?

Please help me topic "rational equation and inequitiesA. Solve each rational equations. Determine the restrictions of the variables.

STATS: Officials at Pleasantville College are interested in the relationship between participation in interscholastic sports and graduation rate. The following

share a story of a time in which you felt a hero saved you

Which is non-renewable source of energy wind energy? - Sun - Natural gas - Wind - Tidal waves