(b) If 2 cosa+1=0 and sin a <0, determine without the use of a calculator and with the aid of a diagram the value of: (1) tan a – sin a (2) 2 sin? a- cos? a
(b) If 2 cosa+1=0 and sin a <0, determine without the use of a calculator and with the aid of a diagram the value of: (1) tan a – sin a (2) 2 sin? a- cos? a
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter11: Introduction To Trigonometry
Section11.CT: Test
Problem 3CT
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