jayaluciana
jayaluciana
31-08-2016
Mathematics
contestada
how do you simplify sin2x=cosx
Respuesta :
Panoyin
Panoyin
31-08-2016
sin(2x) = cos(x)
2sin(x)cos(x) = cos(x) Expand sin(2x).
2cos(x) 2cos(x) Divide 2cos(x) on each side.
sin(x) = ¹/₂
sin⁻¹[sin(x)] = sin⁻¹(¹/₂) Use sin⁻¹(x) on each side.
x = 30, 150 Find the answer.
Answer Link
VER TODAS LAS RESPUESTAS ( 35+ )
Otras preguntas
Which state or territory had the largest number of slaves in 1790?
A fifteen foot board is cut into three lengths. The first piece is one foot shorter than the third piece. The second piece is two feet longer than 1/3 the lengt
Which triangle is a 30°-60°-90° triangle?
I really need some help! which of the following is a irrational numder? 8/5 4 squared 10squared 64squared
Practicing good human relations skills and having positive attitudes will
Which country primarily employed the encomienda system? Portugal France Spain England
Identify all of the following solutions of square root of x plus 8 end root minus 6 equals x. a) x=-4 b) x=-7 c) x=-4 and x=-7 d) none of the above
When selecting a healthcare provider, which characteristics are essential?
The two largest islands in the aegean sea are _______.
Box and whisker box plot
