4. If cos A = 5/7, then sin B = ? %3D O 7/5 O 5/7 O 2/7 89 2/7
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter67: Analysis Of Trigonometric Functions
Section: Chapter Questions
Problem 56A: For each exercise, functions and cofunctions of two angles are given. Which of the functions or...
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![4. If cos A = 5/7, then sin B = ?
%3D
O 7/5
O 5/7
O 2/7
89 2/7
5. Izzy uses the equation sin 49° = x/16
= x/16 to find BC. Who is correct? Expl](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F956d4e21-ec83-4511-8e6c-34ddfad3be34%2F35bfec18-65df-479a-b211-c3d9f245b7c9%2F7d5ssx_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4. If cos A = 5/7, then sin B = ?
%3D
O 7/5
O 5/7
O 2/7
89 2/7
5. Izzy uses the equation sin 49° = x/16
= x/16 to find BC. Who is correct? Expl
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