2. The cosine of an obtuse angle is -0.78. Calculate the sine of this angle to 4 decimal places. 3. The tangent of an obtuse angle is Calculate the cosine of this angle to 4 decimal places.
2. The cosine of an obtuse angle is -0.78. Calculate the sine of this angle to 4 decimal places. 3. The tangent of an obtuse angle is Calculate the cosine of this angle to 4 decimal places.
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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Transcribed Image Text:2. The cosine of an obtuse angle is -0.78.
Calculate the sine of this angle to 4 decimal places.
5
$19.
9°
Calculate the cosine of this angle to 4 decimal places.
3. The tangent of an obtuse angle is
diooted length?
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