solve the following quations for t, 0_< t < 2pie
sin(2t) = 2cost
Simplify the expression sin(2cos-1x) in terms of x iwhtout trigonometric functions.
trig identity
Submitted by m7r23 on 10. February 2007 - 16:03
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trig identity
Submitted by m7r23 on 10. February 2007 - 16:03
solve the following quations for t, 0_< t < 2pie sin(2t) = 2cost Simplify the expression sin(2cos-1x) in terms of x iwhtout trigonometric functions. |
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solve the following quations
solve the following quations for t, 0_< t < 2pie
sin(2t) = 2cost
Sin2t=2Sint Cost
2Sint Cost = 2cos t
2Sintcost-2cost=0
Taking 2cost common
2cost(sint-1)=0
either
cost=0
t = 90 or 270 degrees
sint-1=0
sint=1
t=90 degrees , 270 degrees etc
Answer