Find the exact value of the following under the given conditions: (a) sin( + ) (b) cos(
Question:
Find the exact value of the following under the given conditions:
(a) sin(α + β)
(b) cos(α + β)
(c) sin(α - β)
(d) tan(α - β)
Transcribed Image Text:
< a < 0; sin B 2 2' ,0 < B < cos a =
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