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If (1+sin psi)/(1-sin psi)=p^2/q^2 then ...

If `(1+sin psi)/(1-sin psi)=p^2/q^2` then `sec psi` is equal to :
यदि `(1+sin psi)/(1-sin psi)=p^2/q^2` है, तो `sec psi`किसके बराबर है ?

A

`(2 p^2 q^2)/(p^2 +q^2)`

B

`1/2 (q/p+p/q)`

C

`1/p^2+1/q^2`

D

`(p^2 q^2)/(p^2 +q^2)`

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CHAMPION PUBLICATION-2018 TIER-II PAPER(5)-EXERCISE
  1. A spends 65% of his income. His income has increased by 20.1% and his ...

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  2. The average weight of a certain number of students in a group is 72 kg...

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  5. The base of a right prism is a triangle with sides 20 cm, 21 cm and 29...

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  6. The expression sqrt(10+2(sqrt6- sqrt15- sqrt10)) is equal to :- व्य...

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  8. The value of (sec psi(1-sin psi)(sin psi+ cos psi)(sec psi+tan psi))/(...

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  9. A,B and C start a business. A invests 33 1/3% of the total capital, B ...

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  10. A solid metallic sphere of radius 8 cm is melted and drawn into a wire...

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  11. The sides of a triangle are 56 cm, 90 cm and 106 cm. The circumference...

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  12. The speed of a boat in still water is 18 km/h and the speed of the cur...

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  13. The HCF of two numbers is 21 and their LCM is 221 times the HCF. If on...

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  14. If two medians BE and CF of a triangle ABC , intersect each other at G...

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  15. The value of tan^2 theta + cot^2 theta - sec^2 theta cosec^2 theta is ...

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  16. The point of intersection of the graphs of the equations 3x-5y=19 and ...

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  17. (sec theta-tan theta)^2 (1+sin theta)^2 div sin^2 theta

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  18. By selling two articles for Rs 800, a person gains the cost price of t...

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  19. What is the compound interest on a sum of Rs 7200 for 2(2/5) years at ...

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