b) sin²a - cos²a - tan²a 2 sin ²a - 2 sina - 1 2 1 - sin ²a
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°.
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Please explain the steps in words so I can understand please
![b) sin ²a - cos ²a - tan²a
2 sin ²a - 2 sin ¹a - 1
1 - sin ²a
2
L.S. =
sin ²a - cos²a - tan²a
sin ²a
sin ²a
cos²a
-
cos ²α
cos²a x sin²a
cos a
cos²a
cos²a
4a
cos²a X
x
sin ²a - cos ¹a
sin ²a
1 - sin²a
sin ²a x (1 - sin²a)
sin ²a
1
(1 - sin²a) - sin²a
1
sin ²a
sin 4a - (1 - 2 sin ²a + sina)
1 sin ²a
2 sin ²a-2 sin ¹a - 1
1 - sin²a
R.S., where sin a # 1
sin ³0
11
=
-
-
-
sin ² a
cos ²a](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F94b31f09-c153-4415-af45-1072c0d8396d%2F20f551dd-d6fc-4c55-804e-5d5c9446d21e%2F4784pk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:b) sin ²a - cos ²a - tan²a
2 sin ²a - 2 sin ¹a - 1
1 - sin ²a
2
L.S. =
sin ²a - cos²a - tan²a
sin ²a
sin ²a
cos²a
-
cos ²α
cos²a x sin²a
cos a
cos²a
cos²a
4a
cos²a X
x
sin ²a - cos ¹a
sin ²a
1 - sin²a
sin ²a x (1 - sin²a)
sin ²a
1
(1 - sin²a) - sin²a
1
sin ²a
sin 4a - (1 - 2 sin ²a + sina)
1 sin ²a
2 sin ²a-2 sin ¹a - 1
1 - sin²a
R.S., where sin a # 1
sin ³0
11
=
-
-
-
sin ² a
cos ²a
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