reducing into single function of theta
cos ( 90°-theta) sec theta cot theta
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cos(90-theta) sec theta cot theta
=> sin theta * 1/cos theta * cos theta /sin theta
=> sin theta* sin theta/cos² theta
=> sin² theta/cos² theta
= tan² theta
=> sin theta * 1/cos theta * cos theta /sin theta
=> sin theta* sin theta/cos² theta
=> sin² theta/cos² theta
= tan² theta
roycejohnvasquez:
thank you so much!
you're welcome
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