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A nine-side regular polygon with side le...

A nine-side regular polygon with side length 2, is inscribed in a circle. The radius of the circle is

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The ratio of the area of a regular polygon of n sides inscribed in a circle to that of the polygon of same number of sides circumscribing the same is 3:4. Then the value of n is

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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
  1. The set of all real numbers a such that a^2+2a ,2a+3,a n da^2+3a+8 are...

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  2. A B C is a triangle with /B greater than /C ,Da n dE are points on B C...

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  3. A nine-side regular polygon with side length 2, is inscribed in a circ...

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  4. In triangle A B C , if cotA ,cotB ,cotC are in AdotPdot, then a^2,b^2,...

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  5. If in a triangleA B C , (2cosA)/a+(cos B)/b+(2cosC)/c=a/(b c)+b/(c a) ...

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  6. If the angles of a triangle are 30^0a n d45^0 and the included side is...

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  7. A circle is inscribed in an equilateral triangle of side length a. The...

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  8. In triangle A B C ,A D is the altitude from Adot If b > c ,/C=23^0,a n...

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  9. If D is the mid-point of the side B C of triangle A B C and A D is per...

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  10. In A B C ,A(2pi)/3,b-c=3sqrt(3)c m and area of A B C=(9sqrt(3))/2c m...

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  11. General solution of theta satisfying the equation tan^2theta+sec2theta...

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  12. In any triangle A B C ,(a^2+b^2+c^2)/(R^2) has the maximum value of 3 ...

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  13. Solve sqrt(5-2 sin x)=6 sin x-1

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  14. In triangle A B C ,R(b+c)=asqrt(b c),w h e r eR is the circumradius o...

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  15. Solve sin^3thetacostheta-cos^3thetasintheta=1/4dot

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  16. In A B C ,P is an interior point such that /P A B=10^0/P B A=20^0,/P ...

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  17. Solve 4costheta-3sectheta=tantheta

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  18. In A B C , if A B=c is fixed, and cosA+cosB+2cos C=2 then the locus o...

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  19. Solve the equation 2cos^2theta+3sintheta=0

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  20. In A B C , if b^2+c^2=2a^2, then value of (cotA)/(cotB+cotC) is

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