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P P 7 Show that sin 60° + tan 60° sin 30°+sin 45 cos 30 +cos 40 8 Show that found. = 5√3 6 √6 +√3-√a+b, where a and b are constants to be

P P 7 Show that sin 60° + tan 60° sin 30°+sin 45 cos 30 +cos 40 8 Show that found. = 5√3 6 √6 +√3-√a+b, where a and b are constants to be

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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Please answer only, 7, and 8 . Questions 7 and 8 have typos

for 7 tan60 should be tan30

for 8 cos40 should be cos45

P 6 Show that: P P 7 8 a sin 60˚ cos 30° + cos 60˚ sin 30° b sin² 45° + cos² 45° C cos² 30° - sin² 30° d (1+tan 60°)² = 4+2√√/3 Show that sin 60° + tan 60° sin 30° +sin 45 cos 30° +cos 40 Show that found. = = 1 = cos 60° = = 5√3 6 = sin 90° √6 +√3-√a+b, where a and b are constants to be
Transcribed Image Text:P 6 Show that: P P 7 8 a sin 60˚ cos 30° + cos 60˚ sin 30° b sin² 45° + cos² 45° C cos² 30° - sin² 30° d (1+tan 60°)² = 4+2√√/3 Show that sin 60° + tan 60° sin 30° +sin 45 cos 30° +cos 40 Show that found. = = 1 = cos 60° = = 5√3 6 = sin 90° √6 +√3-√a+b, where a and b are constants to be
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