natasharamsden2506 natasharamsden2506
  • 24-01-2021
  • Mathematics
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The graph of y=cos x° for -180

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adalsaad2004
adalsaad2004 adalsaad2004
  • 24-01-2021
The graph of the function y = cos x is continuous and extends on either side in symmetrical wave form. (ii) Since the graph of y = cos x intersects the x-axis at the origin and at points where x is an odd multiple of 90°, hence cos x is zero at x = (2n + 1)π2 where n = 0, ±1, ±2, ±3, ±4
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