im just not sure what this is, please help. thanks in advance
2007-11-06 08:23:25 · 3 answers · asked by mg© - anti VT™ MG AM© Fundi4Life 6 in Science & Mathematics ➔ Mathematics
is 2sin(x) the same as sin(2x)
2007-11-06 08:45:04 · update #1
Thanks guys who have answered so far, i cant thank yet as im not lv2.
2007-11-06 11:06:16 · update #2
2sin(x) is not the same as sin(2x).
For example, suppose x is a number with the property that
sin(x) = .7
Then 2sin(x) = 1.4, but sin(2x) cannot be 1.4. The sine of any number cannot exceed 1.
That's the whole point of trig indentities.
sin(2x) = 2sinx cosx
2007-11-06 09:03:11 · answer #1 · answered by Michael M 7 · 0⤊ 0⤋
sin is short for sine, a trigonometry function
2sin is 2 multiplied by the sine
You need to know what the angle measure is to actually compute this, but since you didn't include it I assume it is a variable.
2007-11-06 16:30:56 · answer #2 · answered by dave_rosko 3 · 0⤊ 0⤋
twice the sin function
2007-11-06 16:30:53 · answer #3 · answered by Joe 4 · 0⤊ 0⤋