CAT Practice : Trigonometry

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Max and Min value of the given expression

Trigonometric Identities

    Q.11: If Find the value of m2 = n2
    1. 2√mn
    2. 4√mn
    3. m – n
    4. 2mn

 

  • Correct Answer
    Choice B. 4√mn

Explanatory Answer

Detailed Solution

Adding the two equations,

Subtracting the same,

Since, there are no available direct formula for relation between but we know that


=)
=)
=) m2 - n2 = 4√mn


Answer choice (B)

Correct Answer: 4√mn



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