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Prove that ((1+cos theta)/(1-cos theta))...

Prove that `((1+cos theta)/(1-cos theta))=("cosec"theta + "cot"theta)^(2)`

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SUBHASH PUBLICATION-S.S.L.C ANNUAL EXAMINATION QUESTION PAPER MARCH- 2019 ( WITH ANSWERS )-II. Answer the following
  1. The length of a rectangular field is 3 time its breadth . If the area ...

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  2. If sin theta = (12)/(13) find the values of cos theta and tantheta. " ...

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  3. If sqrt(3) "tan" theta = 1 "and " theta is acute find the value of sin...

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  4. Prove that ((1+cos theta)/(1-cos theta))=("cosec"theta + "cot"theta)^(...

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  5. A cubical die numbered from 1 to 6 are rolled twice . Find the probabi...

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  6. The radii of two circular ends of a frustum of a cone shaped dustbin a...

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  7. Prove that the "Length of tangents drawn from an external point a circ...

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  8. Prove that "the lengths of tangents drawn from an external point to a ...

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  9. Calculate the median of the following frequency distribution tabel :

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  10. Calculate the mode for the following frequency distribution table

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  11. During the medical check-up of 35 students of a class, their weights w...

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  12. The seventh term of an arithmetic progression is four times itss secon...

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  13. A line segment is divided into four parts forming an arithmetic progre...

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  14. The vertices of a Delta ABC are A (-3,2) , B (-1,-4) and C (5,2) . If...

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  15. The vertices of a Delta ABC are A (-5,-1), B (3,-5) , C (5,2). Show t...

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  16. Construct a triangle with sides 5 cm, 6 cm and 7 cm and then another t...

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  17. If the angles of elevation of the top of a tower from two points at...

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  18. The bottom of a right cylindrical shaped vessel made from metallic she...

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  19. A hemispherical vessel of radius 14 cm is fully filled with sand . Thi...

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  20. Prove that the ratio of the areas of two similar triangles is equal ...

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