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If sinx+sinygeqcosacosxAA in R , then s...

If `sinx+sinygeqcosacosxAA in R ,` then `siny+cosa` is equal to ___

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FIITJEE-MATHEMATICS -NUMERICAL BASED QUESTIONS
  1. The base AB of a triangle is 1 and height h of C from AB is less than ...

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  2. If sinx+sinygeqcosacosxAA in R , then siny+cosa is equal to

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  3. For the ellipse x^2/9+y^2/4=1. Let O be the centre and S and S' be the...

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  4. A line passing through (21,30) and normal to the curve y=2sqrtx. If m...

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  5. The number of solutions that the equation sin (cos (sin x))= cos (sin ...

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  6. Square of diameter of the circle having tangent at (1,1) as x + y -2 =...

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  7. If sin theta = (12)/(13) (0 lt theta lt (pi)/(2)) and cos phi = (-3)/(...

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  8. Suppose that the side lengths of a triangles are three consecutive int...

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  9. In a triangle ABC, a =3,c = 5 and b =4, then the value of radius of i...

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  10. In Delta ABC if BC is unity, sin ""A/2=x (1), sin ""B/2 =x (2), cos ""...

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  11. An elipse has it centre at (1,-1) and semimajor axis =8 and which pass...

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  12. ) Six points(x,yi),i=1,2, ,.., 6 are taken on the circle x4 such that ...

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  13. If sum of the squares of the perpendiculars on any tangent to the elip...

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  14. The number of real roots of the equation cosec theta + sec theta-sqrt(...

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  15. The number of solutions of the equation "tan" x + "sec"x = 2"cos" x ly...

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  16. The number of points on the hyperbola (x^2)/(a^2)-(y^2)/(b^2)=3 from w...

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  17. Value of tan ^(6) 40^(@) -33 tan ^(4) 40^(@)+ 27 tan ^(2) 40^(@) is ""

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  18. If sum (x =pi-"" ^(10)C(r))^(pi + "" ^(10)C (r))sin x ^(0) =0, then va...

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  19. the number of solutions of cos^(- 1)(1-x)+mcos^(- 1)x=(npi)/2 where mg...

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  20. The area of the trianlge determined by three points on a parabla is n ...

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