AimMent
← All papers

JEE 2004

38 questions · instant answers & explanations

Question 1 of 38Score: 0
MathsTrigonometric Ratios and Identities

Let α, β be such that π<α-β <3π. If sin α + sin β = -21/65 and cos α + cos β = -27/65, then the value of cos α-β/2

JEE 2004 · Verify answers against official keys where it matters.