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Question
The value of `(1 - tan^2 45^circ)/(1 + tan^2 45^circ)` is
Options
2
1
0
`1/2`
Solution
0
Explanation;
Hint:
`(1 - tan^2 45^circ)/(1 + tan^2 45^circ) = (1 - 1)/(1 + 1)`
= `0/2`
= 0
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