Directions: Use the reference angle and appropriate sign to find the exact value of each expression. 1. sin 510 2. tan(-225") 3. cot (-) 10

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.6: Additional Trigonometric Graphs
Problem 59E
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Please answer exercise 1. Thank you

5. cot
Because the terminal side of lies in
Quadrant IV, the reference angle e' is
78
2n
- The cotangent function is
negative in Quadrant IV
cot =- cot-
7n
=- cot 45
cot 4
7n
cot
B. Exercises
Exercise 1
Directions: Use the reference angle and appropriate sign to find the exact value of each
expression.
1. sin 510
2. tan(-225")
3. cot(-)
4. sin? 150 + cos 150
11n
sin-
9.
-cos
5.
sin-)
+cos
Example: sin 510o
%3D
Exercise 2
Directions: Suppose e is an angle in standard position whose teminal side is in Quadrant
IIl and sec e = -; Find the exact values of the remaining five trigonometric functions of 0.
C. Assessment/Application/Outputs (Please refer to DepEd Order No. 31, s. 2020)
Directions: Complete the table below by supplying the six trigonometric functions for each
special angles.
Transcribed Image Text:5. cot Because the terminal side of lies in Quadrant IV, the reference angle e' is 78 2n - The cotangent function is negative in Quadrant IV cot =- cot- 7n =- cot 45 cot 4 7n cot B. Exercises Exercise 1 Directions: Use the reference angle and appropriate sign to find the exact value of each expression. 1. sin 510 2. tan(-225") 3. cot(-) 4. sin? 150 + cos 150 11n sin- 9. -cos 5. sin-) +cos Example: sin 510o %3D Exercise 2 Directions: Suppose e is an angle in standard position whose teminal side is in Quadrant IIl and sec e = -; Find the exact values of the remaining five trigonometric functions of 0. C. Assessment/Application/Outputs (Please refer to DepEd Order No. 31, s. 2020) Directions: Complete the table below by supplying the six trigonometric functions for each special angles.
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