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ABC is a triangle where a=6, b=3 and cos...

ABC is a triangle where a=6, b=3 and `cos(A-B)=4/5`
(i) Area of the triangle ABC (in sq. units) is-

A

9

B

12

C

11

D

10

Text Solution

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The correct Answer is:
A
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Knowledge Check

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    `(3pi)/4`
    B
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    D
    4xy

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    B
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