CharrellRriaa
CharrellRriaa CharrellRriaa
  • 13-07-2016
  • Mathematics
contestada

Simplify sin(2arcsin(5/13))

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meerkat18
meerkat18 meerkat18
  • 16-07-2016
We are asked to simplify the expression sin (2 arcsin (5/13)). The technique is to simplify first the inner terms inside the parenthesis. arc sin of 5/13 under the radians mode in the calculator is equal to 0.3948. This is multiplied by 2 equal to 0.7896. sin of 0.7896 is equal to 120/169. 
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