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Fill in the blanks If sin(theta-30^@)=...

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If `sin(theta-30^@)=1/2` then `cos theta`=_____.

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UNITED BOOK HOUSE-SUJAPUR HIGH SCHOOL-EXERCISE
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  2. If ABCD is a cyclic parallelogram then angle A is

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  3. Fill in the blanks If sin(theta-30^@)=1/2 then cos theta=.

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

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

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  6. Write True or False The simple interest will be always greater than ...

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

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  8. Write True or False The angle in the segment of a circle which is g...

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  9. Write True or False Simplest value of (sin 72^@-cos 18^@) is 1.

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

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  11. Write True or False Mode of the data 2,3,9,10,3,3,9 is 10.

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  12. The interest of some of money for one month at the rate of simple inte...

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  13. In a partnership business of two partners total profit is Rs 1,500. If...

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  14. If (3x-5y)/(3x+5y)=1/2 find the value of (3x^2-5y^2)/(3x^2+5y^2)

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  15. If the sum and product of the roots of the equation kx^2+2x+3k=0(k!=0)...

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  16. In triangleABC , D and E are the points on AB and AC in such a way tha...

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  17. Length of two chords AB and CD of a circle with centre O are equal. ...

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  18. Find the length of the chords which is 8 cm away from the centre of a ...

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  19. If tan 4 thetaxxtan 6 theta = 1 and 6 theta is a positive acute angle,...

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