(a) Use the identity cos'0 + sin 0 = 1 to prove that tanʼ0 = sec² 0 – 1
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 105E
Related questions
Question
1
(a) Use the identity cos'0 + sin 0 = 1 to prove that tanʼ0 = sec² 0 – 1
(b) Solve, for 0 <0< 360, the equation,
tan 0 + sec² 0 + 5 sec 0 = 2
Give your answers to 1 decimal place.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage