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Fill in the blanks (sin1^@)/(cos 89^@)+...

Fill in the blanks
`(sin1^@)/(cos 89^@)+(sin3^@)/(cos87^@)+…..+(sin 87^@)/(cos 3^@)+(sin89^@)/(cos 1^@)`

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UNITED BOOK HOUSE-RAMAKRISHNA MISSION VIDYALAYA, NARENDRAPUR-EXERCISE
  1. Fill in the blanks AB and CD are two chords of same length of a circ...

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  2. Fill in the blanks All circle are.

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  3. Fill in the blanks (sin1^@)/(cos 89^@)+(sin3^@)/(cos87^@)+…..+(sin 87...

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  4. Fill in the blanks In partnership business A,B,C invested in the rat...

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  5. Fill in the blanks If the total surface area and the height of a rig...

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  6. Write True or False Perpendicular bisectors of two chords of a circ...

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  7. Write True or False sqrt6|a||b| is a mean proportional to 2a^2 and 3b...

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  8. Write True or False IF partners invest sum of money of equal period o...

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  9. Write True or False If an angle measures x^@ and y^c then the value ...

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  10. Write True or False Median of x^2,y^2,x^2+y^2 is x^2 if x>y>0

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  11. The annual income of a man reduced by Rs 60 when the rate of interest ...

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  12. A,B and C invested in the ratio of 2/3:4/5:3/4 in a partnership busine...

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  13. If the roots of the equation x^2+7x+m=0 are two consecutive whole numb...

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  14. Two circles intersect each other. Radius of both the circles is 10cm ...

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  15. If x^2+y^2-4x-6y+13=0, then find the value of (x+y):(y-x).

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  16. The cruved surface area of a shpere is reduced from 16pi sq cm to 4pi ...

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  17. If the radius of a cone be r units, its height h unit and lateral surf...

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  18. If the ratio of areas of two similar traingles be 64:49, then find th...

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  19. What is the value of the third angle of a triangle in radian when its ...

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  20. angleB is the right angle of a right angled isosceles triangleABC. Th...

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