I. Náme the quadrants in which an angle of measure 0 could lie when: b. cos 0 <0 a. cos 8 > 0
I. Náme the quadrants in which an angle of measure 0 could lie when: b. cos 0 <0 a. cos 8 > 0
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter11: Addition And Subtraction Of Decimal Fractions
Section: Chapter Questions
Problem 11A
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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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Intro to College Math-Trig Day 14 - Quadrants
HW
b. cos 0 <0
a. cos 8 >0
b. sin 0<0
a. sin e >0
2 Name the quadrant in which an angle of measure 0 could lie when
a. sin 0 >0 and cos 8 > 0
b. sin 6.<0 and cos 0 > 0
c. sin 6 <0 and cos 8 <0
d. sin 0 > 0 and cos 6 <0
In 4-9, name two quadrants in which LA may lie.
4. Sin A is positive.
5. Cos A is positive.
6. Tan A is positive.
7. Sin A is negative.
8. Cos A is negative.
9. Tan A is negative.
In 10-15, name the quadrant in which LA lies.
10. Tan A > 0, cos A < 0.
11. Sin A < 0, cos A > 0.
12. Cos A <0, tan A < 0.
13. Sin A > 0, tan A > 0.
14. Tan A <0, sin A <0.
15. Cos A < 0, sin A < 0.
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