4. ,a lies in quadrant II, and cot B =-A 24 ,B lies in quadrant IV, find the 56. Given that tan a = 3 exact value of: a. sin (a+B) b. tan (a+B) C. sin 2a d. cos 26
4. ,a lies in quadrant II, and cot B =-A 24 ,B lies in quadrant IV, find the 56. Given that tan a = 3 exact value of: a. sin (a+B) b. tan (a+B) C. sin 2a d. cos 26
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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Question
56 a) b) c)
![Use double angle or half angle formulas to find the exact value of the following.
54. cos 15°-sin' 15°
7
55. tan
12
Cos Qn5)
4
,a lies in quadrant III, and cot B =-
24
B lies in quadrant IV, find the
56. Given that tan a =
exact value of:
a. sin (a+ B)
b. tan (a+ B)
C. sin 2a
d. cos 2B
Solve each equation on the interval [0,27).
57. 2 sin 2x+ 3 = 0
58. 2 cos x + sin x = 1
59. 4cos x-2 = 0
Solve. Round answers to the nearest mile or degree.
60. A boat leaves the entrance of a harbor and travels 87 miles on a bearing of N 26° E. How
many miles north and how many miles east from the harbor has the boat traveled?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff4116597-78e6-477d-91b2-9fa4cad4d0f7%2F3146e4aa-f6e8-40a8-a3de-047e99ef3544%2Fyr6jqfj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Use double angle or half angle formulas to find the exact value of the following.
54. cos 15°-sin' 15°
7
55. tan
12
Cos Qn5)
4
,a lies in quadrant III, and cot B =-
24
B lies in quadrant IV, find the
56. Given that tan a =
exact value of:
a. sin (a+ B)
b. tan (a+ B)
C. sin 2a
d. cos 2B
Solve each equation on the interval [0,27).
57. 2 sin 2x+ 3 = 0
58. 2 cos x + sin x = 1
59. 4cos x-2 = 0
Solve. Round answers to the nearest mile or degree.
60. A boat leaves the entrance of a harbor and travels 87 miles on a bearing of N 26° E. How
many miles north and how many miles east from the harbor has the boat traveled?
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