acos∆ - bsin∆=c.prove that asin∆+bcos∆= ±√(a^2 +b^2-c^2) – InterviewSolution

1.	acos∆ - bsin∆=c.prove that asin∆+bcos∆= ±√(a^2 +b^2-c^2)
Answer» acos∆ - bsin∆=c.prove that asin∆+bcos∆= ±√(a^2 +b^2-c^2)

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