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If tantheta=3/4 , then cos^2theta-sin^2t...

If `tantheta=3/4` , then `cos^2theta-sin^2theta=` `7/(25)` (b) `1` (c) `-7/(25)` (d) `4/(25)`

A

`(3)/(25)`

B

`(4)/(25)`

C

`(7)/(25)`

D

`(9)/(25)`

Text Solution

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The correct Answer is:
C
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