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Which of the following correctly shows the derivation of (cot z)? (A) (cot z) = (hr) tan (B) (cot x) = A B C D (C) (D) (cot z) = (cot z) = (a) tan () (az) tanz = = (tanz) -(tanz) secr tanz (1)-1(tana) tan² z tanz(1)+1(tanz) tanz (tan r)-0-sec tan²r tan 2-0+sec z tan'z sec² a tanz secr tan'z

Which of the following correctly shows the derivation of (cot z)? (A) (cot z) = (hr) tan (B) (cot x) = A B C D (C) (D) (cot z) = (cot z) = (a) tan () (az) tanz = = (tanz) -(tanz) secr tanz (1)-1(tana) tan² z tanz(1)+1(tanz) tanz (tan r)-0-sec tan²r tan 2-0+sec z tan'z sec² a tanz secr tan'z

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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31. Which of the following correctly shows the derivation of (cot z)? (A) (cot z) = (tan) (tanz) seca (B) (cot x) = (a) O A B C D (C) (D) & (cot z) = (cot x) = (ar) (tan) = = (tan z) tanz (1)-1(tan z) tanz tanz(1)+1(tan r) tanz sec (tan z)-0-secz tan²r tan 2-0+seca tan'z seca tanz sec tana
Transcribed Image Text:31. Which of the following correctly shows the derivation of (cot z)? (A) (cot z) = (tan) (tanz) seca (B) (cot x) = (a) O A B C D (C) (D) & (cot z) = (cot x) = (ar) (tan) = = (tan z) tanz (1)-1(tan z) tanz tanz(1)+1(tan r) tanz sec (tan z)-0-secz tan²r tan 2-0+seca tan'z seca tanz sec tana
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