Without a calculator. Show that −165/4 is the exact value of the following expression when x = 10◦. csc (47pi/6) [tan(−495 degrees) + 20] + sin^2 (84x)
Without a calculator. Show that −165/4 is the exact value of the following expression when x = 10◦. csc (47pi/6) [tan(−495 degrees) + 20] + sin^2 (84x)
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter77: Machining Compound-angular Surfaces
Section: Chapter Questions
Problem 5A
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Question
Without a calculator. Show that −165/4 is the exact value of the following expression
when x = 10◦.
csc (47pi/6) [tan(−495 degrees) + 20] + sin^2 (84x)
Expert Solution
Step 1
We know that period of csc ,sin is 2π and period of tan is π/2
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