SOLUTION: Which trigonometic function is equivilant to this expression sin 2 x
---------
Algebra.Com
Question 918669: Which trigonometic function is equivilant to this expression sin 2 x
---------
2 sin x
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
sin 2x/2sinx = 2sinxcosx/2sinx = cosx
RELATED QUESTIONS
Which expression is equivalent to sin^2(pi/2 - x)/ sin... (answered by stanbon)
The expression sin^2 X + Cos^2 X/ sin X is equivalent... (answered by Alan3354,MathLover1)
What is the solution to the following equation: SIN^2(X) + SIN(x) = 2.
Started from... (answered by scott8148)
If x = 30 degree, then which expression is equivalent to 1/2?
a. -sin x
b. sin x
c.... (answered by KMST)
Can you help me prove this trigonometic identity?:... (answered by lynnlo)
evaluate : tan360* +4sin180* +5cos^2 180*
find the five remaining trigonometic... (answered by Alan3354,ikleyn)
which expression is equivalent to sin 230°
(1) sin 50
(2) cos 50
(3) -sin 50
(4)... (answered by solver91311)
This is a trigonometric Identity question
I am given the expression of {{{... (answered by stanbon)
Which of these is not a periodic function
a) y= -cos x
b) y= 3 + sin x
C) y= x^2-2... (answered by josgarithmetic)