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ABC is an isosceles triangle inscribed i...

ABC is an isosceles triangle inscribed in a circle of radius `rdot` If `A B=A C` and `h` is the altitude from `A` to `B C ,` then triangle `A B C` has perimeter `P=2(sqrt(2h r-h^2)+sqrt(2h r))` and area A= ____________ and = __________ and also `("lim")_(h vec 0) A/(P^3)=______`

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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
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  2. Prove that sum(r=1)^n(1/(costheta+"cos"(2r+1)theta))=(sinntheta)/(2sin...

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  3. ABC is an isosceles triangle inscribed in a circle of radius rdot If A...

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  4. Find which of the following functions is even or odd ? f(x)=x^2+|sinx|...

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  5. Solve : 5cos2theta+2cos^2(theta/2)+1=0,-pi lt theta lt pi

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  7. In triangle A B C , if cosA+cosB+cosC=7/4, t h e n R/r is equal to 3/4...

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  8. If 3tanA+4=0, then the value of 2cotA-5cosA+sinA is equal to

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  9. Solve sin2theta+costheta=0

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  10. Two medians drawn from the acute angles of a right angled triangle int...

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  11. For all, x ,y in Rdot find the range of ((x+y)(1-x y))/((1+x^2)(1+y^2...

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  12. A circle centred at 'O' has radius 1 and contains the point A. Segment...

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  13. Solve that equation : costheta+cos3theta-2cos2theta=0

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  14. If x^2+y^2=4 then find the maximum value of (x^3+y^3)/(x+y)

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  15. If inside a big circle exactly n(nlt=3) small circles, each of radius ...

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  16. If b >1,sint >0,cost >0a n d(log)b(sint)=x ,t h e n(log)b(cost) is equ...

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  17. Find the general values of x and y satisfying the equations 5sinx cosy...

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  18. If (x^2)/4+(y^2)/9=1, then find the range of 2x+ydot

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  19. If A is the area and 2s is the sum of the sides of a triangle, then Al...

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  20. Find the general solution of : sqrt(3)sec2theta=2

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