Ka8rrimasiaeck
Ka8rrimasiaeck Ka8rrimasiaeck
  • 23-06-2016
  • Mathematics
contestada

Find the function value.. . cos^2(7pi/8)=

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meerkat18
meerkat18 meerkat18
  • 06-07-2016
To evaluate this function, we use the calculator. We change the setting to radian first because we are using pi and thensimply input the cosine of 7 pi over 8. Then we square the answer. We expect this number to be less than 1. The function value is 0.8536. 
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