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Trigonometric graphs

For what angle(s) sin has its maximum?

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  • A
  • B
  • C
  • D
  • E
Check my answer (3)

For what angle(s) tan doesn't exist?

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  • B
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  • D
  • E
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For what angle(s) cos has its minimum?

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  • A
  • B
  • C
  • D
  • E
Check my answer (3)