An equivalent exp a) cos² (0) COS O b) cot? (0)
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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An equivalent expression for cos² (0) (1+ cot² (0)) is:
O a) cos? (0)
O b) cot2 (0)
O c) tan? (0)
O d) sec2 (0)
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