1 - cot?w + cos²w cot?w 73. sin w %3D csc? w

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
icon
Related questions
Question

Hi can you help me validate this trigonometric function? Problem 73

1- sin x
71.
1 – sin(-x)
%3D
1
72.
sin-x csc-x + sin-x
tan? x
%3D
cos x
1 - cot? w + cos²w cot² w
73.
sin w
%3D
csc? w
sec? z - csc²z + csc? z cos² z
sec2 z
csc2 z + csc²z cos z
4
tan z
%3D
74.
cot z
Prove that each of the following equations is an identity.
HINT In(a/b) = ln(a) – In(b) and In(ab) = In(a) +
%3D
%3D
for a > 0 and b > 0.
Transcribed Image Text:1- sin x 71. 1 – sin(-x) %3D 1 72. sin-x csc-x + sin-x tan? x %3D cos x 1 - cot? w + cos²w cot² w 73. sin w %3D csc? w sec? z - csc²z + csc? z cos² z sec2 z csc2 z + csc²z cos z 4 tan z %3D 74. cot z Prove that each of the following equations is an identity. HINT In(a/b) = ln(a) – In(b) and In(ab) = In(a) + %3D %3D for a > 0 and b > 0.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps

Blurred answer
Recommended textbooks for you
Trigonometry (11th Edition)
Trigonometry (11th Edition)
Trigonometry
ISBN:
9780134217437
Author:
Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:
PEARSON
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781305652224
Author:
Charles P. McKeague, Mark D. Turner
Publisher:
Cengage Learning
Algebra and Trigonometry
Algebra and Trigonometry
Trigonometry
ISBN:
9781938168376
Author:
Jay Abramson
Publisher:
OpenStax
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781337278461
Author:
Ron Larson
Publisher:
Cengage Learning