Question

cos2 90° + cosec2 90° - cot2 45º = ?​

Answer 1

Step-by-step explanation:

Ans = 0

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Answer 2

$\huge\underline\mathfrak\red{0}$

From the given data,

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

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