Find all the values of e in the interval 0<0< 360° for which: a cos (0+75°) = 0.5, b sin 20 = 0.7, giving your answers to one decimal place.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 61E
icon
Related questions
Question
Can you answer these questions pls
Find all the values of e in the interval 0<0< 360° for which:
a cos (0+ 75°) = 0.5,
b sin 20 = 0.7, giving your answers to one decimal place.
Transcribed Image Text:Find all the values of e in the interval 0<0< 360° for which: a cos (0+ 75°) = 0.5, b sin 20 = 0.7, giving your answers to one decimal place.
Given that 2 sin 26 cos 26:
%3D
a Show that tan 20 0.5.
b Hence find the values of 0, to one decimal place, in the interval 0 0<360°
for which 2 sin 20 = cos 20.
%3D
Transcribed Image Text:Given that 2 sin 26 cos 26: %3D a Show that tan 20 0.5. b Hence find the values of 0, to one decimal place, in the interval 0 0<360° for which 2 sin 20 = cos 20. %3D
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781337278461
Author:
Ron Larson
Publisher:
Cengage Learning
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781305652224
Author:
Charles P. McKeague, Mark D. Turner
Publisher:
Cengage Learning