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cos2 90° + cosec2 90° - cot2 45° = ?
  • a)
    1
  • b)
    0
  • c)
    1/2
  • d)
    √3/2
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
cos290° + cosec290° - cot245° = ?a)1b)0c)1/2d)√3/2Co...
From the given data,
⇒ cos2 90° + cosec2 90° - cot2 45° = (0)2 + (1)2 - (1)2 = 0
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cos290° + cosec290° - cot245° = ?a)1b)0c)1/2d)√3/2Co...
COS290 is a course code that is used by some educational institutions. However, without more context, it is unclear what specific course or subject COS290 refers to. It could be a computer science course, a math course, or even a completely unrelated subject.
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