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Prove that (sinA -cos A+1)/(sin A + cos...

Prove that `(sinA -cos A+1)/(sin A + cos A - 1) = (1)/(sec A - tan A)`

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CBSE MODEL PAPER-MATHEMATICS BASIC-PART B
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  3. A quadrilateral ABCD is drawn to circumscribe a circle. Prove that A ...

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  6. Find tan P – cot R

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  8. Prove that sqrt3 is an irrational number

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  10. Meena went to a bank to withdraw Rs.2,000. She asked the cashier to gi...

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  11. A box contains 90 discs which are numbered from 1 to 90. If one disc ...

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  12. One card is drawn from a well shuffled deck of 52 cards. Find the prob...

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  13. Metallic spheres of radii 6cm, 8cm and 10cm respectively are melted to...

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  14. Prove that (sinA -cos A+1)/(sin A + cos A - 1) = (1)/(sec A - tan A)

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  15. A motor boat whose speed in still water is 18 km/h, takes 1 hour more ...

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  16. Find two consecutive odd positive integers, sum of whose squares is 29...

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