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Find the value of (cos48^@-sin42^@)...

Find the value of `(cos48^@-sin42^@)`

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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. If sinx+cosy=1 , x=30^0 and y is an acute angle. Find the value of y

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  2. A cylindrical bucket, 32 cm high and with radius of base 18 cm, is ...

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  3. Find the value of (cos48^@-sin42^@)

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  4. A train travels 360 km at a uniform speed. If the speed had been 5k...

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  5. In figure, three sectors of a circle of radius 7 cm, making angles of ...

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  6. The area of two similar traingles are 25 sq cm and 121 sq cm. Find the...

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  7. Solve 1/(a+b+x)=1/a+1/b+1/x,a+b !=0

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  8. Show that any positive odd integer is of the form 6q+1 or 6q+3 or 6q+...

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  9. The sum of first p- terms terms of an A.P. is q and the sum of first q...

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  10. Prove that the parallelogram circumscribing a circle is a Rhombus.

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  11. Find the HCF of 612 and 1314 using prime factorisation.

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  12. Construct an isosceles triangle whose base is 8 cm and altitude 4 cm a...

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  13. A boy standing on a horizontal plane finds a bird flying at a distance...

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  14. If the square of one side of a triangle is equal to the sum of the squ...

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  15. The following table gives the number of participants in a yoga camp: [...

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  16. An open metallic bucket is in the shape of the frustum of the cone. If...

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

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  18. Prove that ((1+cot theta +tan theta)(sin theta - cos theta))/(sec ^3 t...

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  19. Find the value of frequecies in the following frequency distribution t...

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  20. A child has a die whose 6 faces show the letter as given below: A,B,C,...

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