SOLUTION: sin2A/sin^2 A is equivalent to...? (show work please) a)1 b)2 c)2tanA d)2cotA

Algebra ->  Trigonometry-basics -> SOLUTION: sin2A/sin^2 A is equivalent to...? (show work please) a)1 b)2 c)2tanA d)2cotA      Log On


   

Question 871833: sin2A/sin^2 A is equivalent to...? (show work please)
a)1
b)2
c)2tanA
d)2cotA
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
sin2A/sin^2 A is equivalent to...? (show work please)
----
sin(2A) = 2sin(A)cos(A)
------
So, sin(2A)/sin^2(A) = 2sin(A)cos(A)/(sin^2(A) = (2cos(A))/sin(A) = 2tan(A)
---------------------
Cheers,
Stan H.
---------------------
a)1
b)2
c)2tanA
d)2cotA