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Prove that : (1 + cot A + tan A) (sin A...

Prove that : (1 + cot A + tan A) (sin A — cos A) = sin A tan A — cot A cos A.

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    X BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise SECTION-C|5 Videos

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X BOARD PREVIOUS YEAR PAPER ENGLISH-X Boards-All Questions
  1. A group consists of 12 persons, of which 3 are extremely patient, othe...

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  2. Three vertices of a parallelogram ABCD are A(3,-4),B(-1,-3)a n dC(-6,2...

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  3. Prove that : (1 + cot A + tan A) (sin A — cos A) = sin A tan A — cot ...

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  4. water is flowing at the rate of 2.52 km/h through a cylindrical pipe i...

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  5. A bucket open at the top, and made up of a metal sheet is in the form ...

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  6. Prove that : (1 + cot A + tan A) (sin A — cos A) = sin A tan A — cot ...

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  7. Without using trigonometric tables, evaluate the following:- 2(cos58^@...

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  8. If the coordinates of the mid-points of the sides of a triangle are (3...

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  9. If the coordinates of the mid-points of the sides of a triangle are (3...

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  10. In Figure 2, AD | BC. Prove that AB^2 + CD^2 = BD^2 + AC^2.

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  11. In Fig. 12.33, ABC is a quadrant of a circle of radius 14 cm and a ...

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  12. A peacock is sitting on the top of a pillar, which is 9m high. From a ...

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  13. A peacock is sitting on the top of a pillar, which is 9m high. From a ...

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  14. The angle of elevation of a jet plane from a point A on the grund is 6...

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  15. If a line is drawn to one side of a triangle to intersect the other tw...

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  16. An open metal bucket is in the shape of a frustum of a cone, mounte...

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  17. If the radii of the circular ends of a conical bucket of height 16 cm ...

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  18. Find mean, median and mode of the following data :

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  19. Find mean, median and mode of the following data : 10, 12, 14, 16, 14

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  20. LCM of two numbers x and y is 720 and the LCM of numbers 12x and 5y is...

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