Question

Evaluate: 10. 1-cot²45°/1+sin²90°

Answer 1

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Answer 2

Answer:

$0$

Step-by-step explanation:

$\rightarrow\cot^{2}45=1$

$\rightarrow\sin^{2}90=1$

Putting values

$\frac{1-cot^{2}45}{1+sin^{2}90}$

$\frac{0}{2}$

$\rightarrow0$