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If tan(theta+15^@)= sqrt3 then sin theta...

If `tan(theta+15^@)= sqrt3` then `sin theta+ cos theta`=?

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UNITED BOOK HOUSE-DAULATPUR DALUICACHA BHARATI VIDYALAYA-EXERCISE
  1. AB is the diameter of a semicircle with radius 4 cm in length and angl...

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  2. ABCD is a cyclic trapezium having AD||BC. If angleABC = 70^@ then angl...

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  3. If tan(theta+15^@)= sqrt3 then sin theta+ cos theta=?

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  4. If the number of surface of a cuboid is x, the number of edges is y, t...

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  5. If the numberical values of volume and curved surface area of a right ...

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  6. In a frequency distribution table, mean = 54, sunfixi = 2200+50k and s...

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  7. Three friends invested ₹ 1,20,000, ₹ 1.50,000 and ₹ 1,10,000 respectiv...

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  8. As a result of publicity on against smoking the number of smoker is de...

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  9. The tenth digit of two digit number is less by 3 than the unit digit. ...

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  10. If one root of the equation ax^2+bx+c=0 (a!=0) is twice the other, tha...

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  11. সরল করো : (sqrt5)/(sqrt3 + sqrt2) – (3sqrt3)/(sqrt2 + sqrt5) + (2sqrt2...

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  12. Find the value of x for which the points (x, – 1), (2, 1) and (4, 5) a...

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  13. What should be added to each of 6,15,20 and 43 to make the sums propo...

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  14. If x/(lm-n^2)=y/(mn-l^2)=z/(nl-m^2), then show that lx+my+nz=0

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  15. Prove that opposite angles of a cyclic quadrilateral are supplementary

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  16. Prove that the front angle formed at the centre of a circle by an arc,...

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  17. Two circles interest at A and B. P is a point on produced BA. PT and P...

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  18. AB and CD are two chords of a cricle. Extended BA and CD intersect at ...

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  19. Draw a triangle ABC whose BC = 5cm, BA = 5.5 cm and angleABC = 70^@ dr...

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  20. Geometrically calculate the value of sqrt(23). (Only traces of constru...

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