Let , be such that < - < 3 . If + = - 21 65 and + = - 27 65 , then the value of - 2 is

JEE Main 2004 Mathematics question

Let be such that . If and , then the value of is

Answer: (1)

Squaring and adding: , i.e. \cos^2$ = ⇒

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Question ID VK-038453