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The value of 5tan^ 2θ−5sec ^2 θ is ...

The value of `5tan^ 2θ−5sec ^2 θ` is :

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ALLEN-TEST PAPER-Chemistry
  1. Evaluate i ^19

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  2. If 4sinθ+3cosθ=5 then tanθ=

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  3. The value of 5tan^ 2θ−5sec ^2 θ is :

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  4. 5sinx−12cosx=−13sin3x , if ϕ=sin ^(−1)( 12/13 ) , then

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  5. Show that (√5+i √2)/(√5-i√2) + (√5-i√2)/(√5+i√2) is real.

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  6. If cos(α−β)=1 and cos(α+β)= 1/e , where α, β∈[−π,π]. Then num...

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  7. Prove that;- sin^6θ+cos ^6θ=1−3sin^2θcos ^2θ

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  8. lf α and β are two different solutions lying between −π/2 and π/...

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  9. The solution set of sin(x+π/4)=sin2x equals to

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  10. Prove by the principle of mathematical induction that 2^ n >n fo...

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  11. The equation x(x+2)(x ^2 −x)=−1 , has all roots imaginary ...

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  12. The value of sin50^∘−sin70^∘ +sin10^∘ is

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  13. What is the value of sin ^2 25^0+sin^2 65^0?

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  14. Find dy/dx :6x−9+8y=0

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  15. The roots of the equation cos ^7x+sin^4x=1 in the interval (−π,π...

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  16. If (i ^413)(i ^x )=1 , then determine the one possible value of x.

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  17. Express the given complex number 3(7+i7)+i(7+i7) in the form a...

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  18. 1/(i-1) + 1/(i+1) is a. purely imaginary b. purely rational number....

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  19. |{:(,"List-I(Atom/Ions)",,"List-II(Electron Affinity in eV/atom and co...

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  20. |{:(,"List-I(Orbitals)",,"List-II"),(,"(Approach axis is z-axis)",,"(T...

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