a) Determine the solution(s) of each of the following equations, where 0≤x≤ 2n cos x = tan x = -√3 b) Use the graph of f(x) = cos x to estimate the solution of each of the following trigonometric equations in the interval -21≤ x ≤ 2π i) 2-14 cos x = -5 iii)2 + 7.5 cos x = -5.5 c) Use a compound angle formula to determine an exact value of sin 11m 12 sin x=-- f(x) = cos x AT 20 2 4 2m -1- B

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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a) Determine the solution(s) of each of the following equations, where 0 ≤ x ≤ 21
cos x =
tan x = -√3
b) Use the graph of f(x) = cos x to estimate the solution of each of
the following trigonometric equations in the interval -2m≤ x ≤ 2π
i) 2-14 cos x = -5
iii)2 + 7.5 cos x = -5.5
c) Use a compound angle formula to determine an exact value of sin
11m
12
sin x=-
f(x) = cos x
AT 20 2 4 2m
-1-
B
Transcribed Image Text:a) Determine the solution(s) of each of the following equations, where 0 ≤ x ≤ 21 cos x = tan x = -√3 b) Use the graph of f(x) = cos x to estimate the solution of each of the following trigonometric equations in the interval -2m≤ x ≤ 2π i) 2-14 cos x = -5 iii)2 + 7.5 cos x = -5.5 c) Use a compound angle formula to determine an exact value of sin 11m 12 sin x=- f(x) = cos x AT 20 2 4 2m -1- B
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