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cos2 90° + cosec2 90° - cot2 45° = ?

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cos2 90° + cosec2 90° - cot2 45° = ?


1). 1
2). 0
3). ½
4). √3/2


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1 answers

23 vote
Answered by on | Votes 23 |

From the given data,

⇒ cos2 90° + cosec2 90° - cot2 45° = (0)2 + (1)2 - (1)2 = 0

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