6. Trigonometric Identities and More Equations
Sum and Difference Identities
9:21 minutesProblem 64a
Textbook Question
Textbook QuestionIn Exercises 57–64, find the exact value of the following under the given conditions: c. tan (α + β) 5 𝝅 3 3𝝅 sin α = ------ , -------- < α < 𝝅 , and tan β = ------- , 𝝅 < β < -------- . 6 2 7 2
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