5. Nadia was asked to show that the sine of an angle and the cosine of its complement are equal. To do this, she drew the diagram below and found sin(57°) and cos(33°). M 15 N 57 Which expression below represents both sin(57°) and cos (33°)? A. В. С. D. Е. F. 6. Given: sin(18m – 12) = cos(7m + 2), find the value of m. %3D m3=
5. Nadia was asked to show that the sine of an angle and the cosine of its complement are equal. To do this, she drew the diagram below and found sin(57°) and cos(33°). M 15 N 57 Which expression below represents both sin(57°) and cos (33°)? A. В. С. D. Е. F. 6. Given: sin(18m – 12) = cos(7m + 2), find the value of m. %3D m3=
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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Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
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5. Nadia was asked to show that the sine of an angle and the cosine of its complement are equal. To do
this, she drew the diagram below and found sin(57°) and cos(33°).
15
7
57
P
Which expression below represents both sin(57°) and cos(33°)?
A.
B.
C.
D.
E.
F.
6. Given: sin(18m – 12) = cos(7m + 2), find the value of m.
m =
W
99+
Transcribed Image Text:test 12-08-20-125509420 - Protected View - Saved to this PC
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O Search
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6. Given: sin(18m – 12) = cos(7m + 2), find the value of m.
m =
7. A wire is attached to the top of a 45-foot telephone pole and anchored to the ground. The angle of
elevation is 64 degrees. How long is the wire to the nearest foot?
%23
45 ft
99.
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