pls solve it . . . . . . . . .
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4
Answer:
final answer is 0 and π/4
pls go through attachment provided
thanks
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2
Answer:
(2) 0, π/4
Solution:
Let x = tan A….(i)
Now,
f(x) = tan-1[(1 – x)/(1 + x)]
= tan-1[(1 – tan A)/(1 + tan A)]
= tan-1[tan(π/4 – A)]
= π/4 – A
= π/4 – tan-1(x) {from (i)}
Given that 0 ≤ x ≤ 1.
f(0) = π/4 – tan-1(0)
= π/4 – 0
= π/4 (maximum)
f(1) = π/4 – tan-1(1)
= π/4 – π/4
= 0 (minimum)
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