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If 9x/costheta+5y/sintheta=56 and 9xsint...

If `9x/costheta+5y/sintheta=56` and `9xsintheta/cos^2theta-5ycostheta/sin^2theta=0` then value of `[(9x)^(2/3)+(5y)^(2/3)]^3/784` is

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If 9(x)/(cos theta)+5(y)/(sin theta)=56 and 9x(sin theta)/(cos^(2)theta)-5y(cos theta)/(sin^(2)theta)=0 then value of ([(9x)^((2)/(3))+(5y)^((2)/(3))]^(3))/(784) is

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ARIHANT MATHS-TRIGONOMETRIC FUNCTIONS AND IDENTITIES-Exercise (Single Integer Answer Type Questions)
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  5. Compute the square of the value of the expression (4+sec 20^@)/(cosec ...

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  14. The least degree of a polynomial with integer coefficient whose one of...

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  15. If A+B+C=180^(@), (sin 2A+sin 2B+sin2C)/(sinA+sinB+sinC)=k sin. (A)/(2...

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  16. The value of f(x)=x^4+4x^3+2x^2-4x+7, when x=cot(11pi)/8 is

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  17. In any DeltaABC, then minimum value of 2020sum(sqrt((sinA)))/((sqrt((s...

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  18. If sintheta+sin^2theta+sin^3theta=1 then value of cos^6theta-4cos^4the...

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  19. 16(costheta-cospi/8)(costheta-cos(3pi)/8)(costheta-cos(5pi)/8)(costhet...

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  20. If (1)/(sin20^(@)) + (1)/(sqrt(3)cos20^(@)) = 2kcos40^(@), then 18k^(4...

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