3. If sin a and a is in quadrant I, use the double-angle identities to find sin (2x), cos (2x), 8 and tan (2r). (Hint: find cosr and tan r first.) 4. Use a half-angle identity to get the exact value of cos (15°). Do not use a calculator. 5. Simplify 4 sin ) using a double-anglec identity. CoS
3. If sin a and a is in quadrant I, use the double-angle identities to find sin (2x), cos (2x), 8 and tan (2r). (Hint: find cosr and tan r first.) 4. Use a half-angle identity to get the exact value of cos (15°). Do not use a calculator. 5. Simplify 4 sin ) using a double-anglec identity. CoS
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
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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