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If the sides of a right-angled triangle are in A.P., then the sines of the acute angles are `3/5,4/5` b. `1/(sqrt(3)),sqrt(2/3)` c. `1/2,(sqrt(3))/2` d. none of these

A

`3//5, 4//5`

B

`sqrt(2//3) , sqrt(1//3)`

C

`sqrt((sqrt(5)-1)/(2)),sqrt((sqrt(5)+1)/(2))`

D

`sqrt((sqrt(3)-1)/(2)),sqrt((sqrt(3)+1)/(2))`

Text Solution

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The correct Answer is:
A
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MCGROW HILL PUBLICATION-PROGRESSIONS-SOLVED EXAMPLES LEVEL -1 (SINGLE CORRECT ANSWER TYPE QUESTIONS)
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