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Q.
Let α, β be such that π < α - β < 3π if sinα + sinβ = -21/65 and cosα + cosβ = -27/65 then the value of α - β/2 is
A.
B.
-6/65
C.
6/65
D.
E.
None of the above
View Answer
Correct choice: A
Explanation:
None
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