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If angles A ,\ B ,\ C of a /\A B C form ...

If angles `A ,\ B ,\ C` of a `/_\A B C` form an increasing `A P` , then `sinB=` `(a) 1/2` (b) `(sqrt(3))/2` (c) 1 (d) `1/(sqrt(2))`

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RD SHARMA ENGLISH-TRIGONOMETRIC RATIOS-All Questions
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