With the use of functions of 360° and 45°, what is the identity form of cos 315°? a.cos (360°- 45°) = cos 360° cos 45° - sin 360° sin 45° b. cos (360°- 45°) = cos 360° sin 45° – sin 360° cos 45° c. cos (360°- 45°) = cos 360° sin 45° + sin 360° cos 45° d. cos (360°- 45°) = cos 360° cos 45° + sin 360° sin 45°
With the use of functions of 360° and 45°, what is the identity form of cos 315°? a.cos (360°- 45°) = cos 360° cos 45° - sin 360° sin 45° b. cos (360°- 45°) = cos 360° sin 45° – sin 360° cos 45° c. cos (360°- 45°) = cos 360° sin 45° + sin 360° cos 45° d. cos (360°- 45°) = cos 360° cos 45° + sin 360° sin 45°
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter67: Analysis Of Trigonometric Functions
Section: Chapter Questions
Problem 16A: For each exercise, functions of two angles are given. Which of the functions of the two angles is...
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With the use of
a.cos (360°- 45°) = cos 360° cos 45° - sin 360° sin 45°
b. cos (360°- 45°) = cos 360° sin 45° – sin 360° cos 45°
c. cos (360°- 45°) = cos 360° sin 45° + sin 360° cos 45°
d. cos (360°- 45°) = cos 360° cos 45° + sin 360° sin 45°
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