Answer the given questions about the indicated examples of this section. In Example 4, if 90 is
Question:
Answer the given questions about the indicated examples of this section.
In Example 4, if 90° is added to each angle, what is the sign of each resulting function?
Data from Example 4
(a) The following are positive:
sin 150° cos 290° tan 190° cot 260° sec 350° csc 100°
(b) The following are negative:
sin 300° cos 150° tan 100° cot 300° sec 200° csc 250°
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Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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