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In A B C , if (sinA)/(csinB)+(sinB)/c+(...

In ` A B C ,` if `(sinA)/(csinB)+(sinB)/c+(sinC)/b=c/(a b)+b/(a c)+a/(b c),` then the value of angle `A` is `120^0` (b) `90^0` (c) `60^0` (d) `30^0`

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To solve the given problem, we will follow these steps systematically: ### Step 1: Understand the given equation We are given the equation: \[ \frac{\sin A}{c \sin B} + \frac{\sin B}{c} + \frac{\sin C}{b} = \frac{c}{ab} + \frac{b}{ac} + \frac{a}{bc} \] This equation relates the angles and sides of triangle \(ABC\). ...
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CENGAGE ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
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  2. If 3sintheta+5costheta=5, then show that 5sintheta-3costheta=+-3.

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  3. In A B C , if (sinA)/(csinB)+(sinB)/c+(sinC)/b=c/(a b)+b/(a c)+a/(b c...

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  4. The set of values of x satisfying the equation sin3alpha=4sinalphasin(...

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  5. cos e c(360^0)/7+cos e c(540^0)/7= (a) cosec(180^0)/7 ,(b) cosec(...

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  7. In a triangle A B C , the altitude from A is not less than B C andthe ...

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  8. If (3-tan^2(pi/7))/(1-tan^2(pi/7))=kcos(pi/7) then the value of k is...

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  9. If tan(A-B)=1a n dsec(A+B)=2/(sqrt(3)) , then the smallest positive va...

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  10. Prove that sqrt((1+sintheta)/(1-sintheta))=sectheta+tantheta

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  11. If in A B C ,A C is double of A B , then the value of cot(A/2)cot((...

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  12. If 3tan(theta-15^0)=tan(theta+15^0), then theta is equal to n in Z) ...

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  13. Let P(x)=((1-cos2x+sin2x)/(1+cos2x+sin2x))^2+((1+cotx+cot^2x)/(1+tanx+...

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  15. Number of solution(s) satisfying the equation 1/(sinx)-1/(sin2x)=2/(si...

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  17. The value of sin^3 10^0+sin^3 50^0-sin^3 70^0 is equal to (a)-3/2 ...

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  18. Show That 2(sin^6x+cos^6x)-3(sin^4x+cos^4x)+1=0

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  19. If the hypotenuse of a right-angled triangle is four times the length ...

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  20. The number of roots of (1-tantheta)(1+sin2theta)=1+tanthetafortheta in...

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