This problem uses content from section 7.6. Consider a line lwith positive xand yintercepts. Suppose that lmakes an angle of θ(where 0 <θ<π 2 ) with the positive x-axis. Let nbe the normal line to l. Let φbe the angle nmakes with the positive x-axis. (i) Draw a suitable picture with l, θ, n, and φclearly labeled. (ii) What is the relationship between θand φ? (iii) What is the slope of lin terms of φ? (iv) What is the slope of lin terms of θ? (v) What is the slope of nin terms of θ?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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This problem uses content from section 7.6.
Consider a line lwith positive xand yintercepts. Suppose that lmakes an angle
of θ(where 0 <θ<π
2 ) with the positive x-axis. Let nbe the normal line to l. Let
φbe the angle nmakes with the positive x-axis.
(i) Draw a suitable picture with l, θ, n, and φclearly labeled.
(ii) What is the relationship between θand φ?
(iii) What is the slope of lin terms of φ?
(iv) What is the slope of lin terms of θ?
(v) What is the slope of nin terms of θ?

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