I. Write each expression in terms of a trigonometric functions of one angle. 1. sin 1200 cos 200 - cos 1200 sin 20º 2. cos 90° cos 60º - sin 90° sin 60° 3. tan 1800 - tan 450 1 + tan 1800 tan 450 4. 2 cos 2 30o - 1 5. 2 tan 1250 1 - tan 2 1250

Calculus: Early Transcendentals
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Author:James Stewart
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Chapter1: Functions And Models
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Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Please answer the following questions. Thank you.
I. Write each expression in terms of a trigonometric
functions of one angle.
1. sin 1200 cos 200 - cos 1200 sin 20º
2. cos 90° cos 60° - sin 90° sin 60°
3. tan 1800 - tan 450
1 + tan 180° tan 450
4. 2 cos 2 30° - 1
5. 2 tan 1250
1 - tan 2 1250
Transcribed Image Text:I. Write each expression in terms of a trigonometric functions of one angle. 1. sin 1200 cos 200 - cos 1200 sin 20º 2. cos 90° cos 60° - sin 90° sin 60° 3. tan 1800 - tan 450 1 + tan 180° tan 450 4. 2 cos 2 30° - 1 5. 2 tan 1250 1 - tan 2 1250
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