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int^(x costheta+1)/((x^2+2x costheta+1)^...

`int_^(x costheta+1)/((x^2+2x costheta+1)^(3//2))` is `sqrt(x costheta+1)+C` b. `1/(sqrt(x^2+2x costheta+1))+C` c. `x/(sqrt(x^2+2x costheta+1))+C` d. `sqrt(x^2 2x costheta+1)+C`

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If 2costheta=x+1/x , then 2cos2theta= ?

Prove that sqrt(1-sin^(2)theta)=costheta .

If costheta=(1)/(sqrt(2)) ,then find the value of (tan^(2)theta+1) .

"tan"(cos^(-1)x) is equal to x/(1+x^2) b. (sqrt(1+x^2))/x c. (sqrt(1-x^2))/x d. sqrt(1-2x)

int 1/ sqrt (a^2 + x^2) dx = log ( x + sqrt(x^2 + a^2)) + c

Prove that sqrt((1+costheta)/(1-costheta))+sqrt((1-costheta)/(1+costheta))=2cosectheta

(sintheta)/(1+costheta) is equal to (a) (1+costheta)/(sintheta) (b) (1-costheta)/(costheta) (c) (1-costheta)/(sintheta) (d) (1-sintheta)/(costheta)

If a^2+b^2+c^2=1 then show that value of the determinant |a^2+(b^2+c^2)costhetab a(1-costheta)c a(1-costheta)a b(1-costheta)b^2+(c^2+a^2)costhetac b(1-costheta)a c(1-costheta)b c(1-costheta)c^2+(a^2+b^2)costheta| simplifies to cos^2theta

If 1//x+x=2costheta , then prove that x^n+1//x^n=2cosnthetadot

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
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