7. State the quadratic formula, sine law, and cosine law below: a) b) c) Note: A trigonometric identity is an equation involving trigonometric ratios that holds TRUE for all values of the variable. Basic proven identities that can be used are: May Reciprocal Identities Quotient Identities Pythagorean Identities rearrange into 1 csc e sin 0 tan e = different sin? 0 + cos? 0 = 1 forms sin e cos e cos e 1 sec e = cos e cot 0 = tan? 0 + 1 = sec? 0 sin 0 cot 0 = cot? 0 + 1 = csc² 0 tan 0
7. State the quadratic formula, sine law, and cosine law below: a) b) c) Note: A trigonometric identity is an equation involving trigonometric ratios that holds TRUE for all values of the variable. Basic proven identities that can be used are: May Reciprocal Identities Quotient Identities Pythagorean Identities rearrange into 1 csc e sin 0 tan e = different sin? 0 + cos? 0 = 1 forms sin e cos e cos e 1 sec e = cos e cot 0 = tan? 0 + 1 = sec? 0 sin 0 cot 0 = cot? 0 + 1 = csc² 0 tan 0
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter11: Introduction To Trigonometry
Section11.3: The Tangent Ratio And Other Ratios
Problem 35E
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