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Fill in the blanks If x cos theta = 3 a...

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If `x cos theta = 3` and `4tantheta= y`, then `x^2/9-y^2/16`=____.

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Fill in the blanks If x = 2a sec theta, y = 2b tan theta , then x^2/a^2-y^2/b^2 =_______

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Fill in the blanks If sin theta+cosec theta = 2 , then cos theta =______.

Write True or False : If x = 3cos theta and y = 3 sin theta then x^2+y^2 = 1 .

Fill in the blanks If cos^2theta-sin^2 theta = 1/x (x>1), then cos^4 theta- sin^4 theta =___.

Eliminate theta : x=2 sin theta, y=3 cos theta.

Fill in the blanks : if cos^(2)theta - sin^(2)theta =(1)/(2) . then the value of cos^(4)theta-sin^(4) theta is _________________ .

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UNITED BOOK HOUSE-SUGGESSTION OR MADHYAMIK PARIKSHA-EXERCISE
  1. Fill in the blanks Number of surfaces of a solid hemisphere is.

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  2. Fill in the blanks pi radian is aangle.

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  3. Fill in the blanks If x cos theta = 3 and 4tantheta= y, then x^2/9-y^...

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  4. Fill in the blanks Mean, median, mode are the measure of.

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  5. Fill in the blanks At the time of finding A.M. the length of all cla...

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  6. Write True or False if the principal and the rate of simple interest...

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  7. Write True or False: Ratio of capital of Riza and Sriza in a busines...

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  8. Write True or False x^3y,x^2y^2 and xy^3 are in continued proportion...

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  9. Write True or False: The roots of the equation x^2+x+1=0 are real.

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  10. Write True or False: Only one circle can be drawn through three coll...

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  11. Write True or False If the ratio of three sides of a triangle is 3:...

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  12. Write True or False Height, radius and slant height of a right circ...

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  13. Write True or False If the ratio of curved surface of two hemispher...

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  14. Write True or False: The value of cos54^@ and sin26^@ are equal.

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  15. Write True or False: in triangleABC,angleB= 90^@, if AB = BC then ...

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  16. Write True or False: Mode of 10,3,19,10,3,19 is 10.

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  17. Write True or False: Median of 3.5,7.5,9.5,2.5,6.5,5.5 is 6.

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  18. What is the rate of simple interest per annum, when the interest of so...

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  19. If the rate of increase in population is r% per year, the population a...

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  20. If x= 5+2sqrt6 then find the value of sqrtx+1/sqrtx.

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