nerdfunction nerdfunction

21-01-2017
Mathematics

contestada

Which expression is equivalent to sin(2x) − sin x?

Respuesta :

foggles foggles

22-01-2017

sin(2x) -sin(x) = 2sin(x)cos(x) - sin(x)
Since sin(2x) = 2sin(x)cos(x)
∴ sin(2x) - sin(x) = sin(x)(2cos(x) - 1)

Answer Link

Otras preguntas

Melissa is 13 years old, Becky is 12 years old and Daniel is 10 years old. Melissa, Becky and Daniel share £28 in the ratio of their ages. Becky gives a third o

3 physical properties i could use to organize a set of cookware

If heroes are a reflection of "who we are as a culture and as people," what does King Arthur reflect? What traits does he show that Western society values?

which map is best to show one continent and why?

Determine the equation of g(x) that results from translating the function f(x)=x^2+9 upward 10 units.

Which of the following is a fourth degree trinomial with a leading coefficient of 2?A x  x2 2x4B 2x4 8x3 x  2

which is the most valid definition of a republican form of government?

a+3 over b = c for a

Consider the experiment of tossing a coin twice, Let A and B be two events defined below. A=(first toss results in H) and B= (second toss results in H) the even

Change 3/8 to a decimal.