13. Which circular function is defined? 14. Evaluate tan(330°)+tan(−330°)/ 1−tan(330°)tan(−330°). 15. Which is not equal to -1/2? 16. Three times the sine of a certain angle is twice of the square of the cosine of the same angle. Find the value of the angle.
13. Which circular function is defined? 14. Evaluate tan(330°)+tan(−330°)/ 1−tan(330°)tan(−330°). 15. Which is not equal to -1/2? 16. Three times the sine of a certain angle is twice of the square of the cosine of the same angle. Find the value of the angle.
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter66: Introduction To Trigonometric Functions
Section: Chapter Questions
Problem 24A: The sides of each of the following right triangles are labeled with different letters. State the...
Related questions
Question
13. Which circular function is defined?
14. Evaluate tan(330°)+tan(−330°)/ 1−tan(330°)tan(−330°).
15. Which is not equal to -1/2?
16. Three times the sine of a certain angle is twice of the square of the cosine of the same angle. Find the value of the angle.
17. Solve the trigonometric equation 2sin2x + sinx − 1 = 0 for 0 ≤ x ≤ 2π.
Transcribed Image Text:13. Which circular function is defined?
C. tan
A. cotn
B. sec
D. csc2n
tan(330°)+ can(-330°)
1-tan(330°)tan(-330°)y
14.
Evaluate
A. –1
C.1
В. о
D. undefined
15. Which is not equal to -?
C. sin (-)
D. cos (-)
A. sin )
В. сos
16. Three times the sine of a certain angle is twice of the square of the cosine of the
same angle. Find the value of the angle.
A. 30°
С. 60°
B. 45°
D. 90°
17. Solve the trigonometric equation 2sin?x + sinx – 1 = 0 for 0 <xs 2n.
А.
B.
C. 2
7 11m
D.
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