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If 3tanA+4=0, then the value of 2cotA-5c...

If `3tanA+4=0,` then the value of `2cotA-5cosA+sinA` is equal to `(23)/(10)ifpi/2<1

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CENGAGE ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
  1. If x^2+y^2=x^2y^2 then find the range of (5x+12 y+7x y)/(x y) .

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  2. If H is the orthocentre of triangle A B C ,R= circumradius andP=A H+B ...

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  3. If 3tanA+4=0, then the value of 2cotA-5cosA+sinA is equal to (23)/(10)...

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  4. Solve sin2theta+costheta=0

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

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

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

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

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

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

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  15. For the expression (alpha tan gamma+beta cot gamma)(alpha cot gamma + ...

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

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  17. Find the value of 2cos^3(pi/7)-cos^2(pi/7)-cos(pi/7)

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  18. In acute angled triangle A B C ,A D is the altitude. Circle drawn with...

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