Trigonometry: Maximum Value

XAT 2011 · QADI · Easy · Trigonometry

All XAT 2011 questionsMore Trigonometry questionsAll CAT QADI

What is the maximum possible value of (21sin⁡X+72cos⁡X)(21 \sin X + 72 \cos X)?

  1. A.

    21

  2. B.

    57

  3. C.

    63

  4. D.

    75

  5. E.

    None of the above

Practise this under exam conditions

Sign in to solve it with a live timer, the on-screen CAT calculator, and streak and accuracy tracking across every question you attempt.

Solve in the workspace