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Solve the equation: cos^2[pi/4(sinx+sqrt...

Solve the equation: `cos^2[pi/4(sinx+sqrt(2)cos^2x)]-tan^2[x+pi/4tan^2x]=1`

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The correct Answer is:
`x = (-pi)/(4) + 2 npi AA n in l`
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FIITJEE-MATHEMATICS -NUMERICAL DECIMAL BASED QUESTIONS
  1. Solve the equation: cos^2[pi/4(sinx+sqrt(2)cos^2x)]-tan^2[x+pi/4tan^2x...

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  2. If the equation ax ^(2) - 6xy +y ^(2) + 2gx + 2fy + x =0 represents a ...

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  3. If the lines (x-2)/(1)=(y-3)/(1)=(z-4)/(lamda) and (x-1)/(lamda)=(y-4)...

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  4. If a circle having centre at (alpha, beta) cut the circles x^2 + y^2 -...

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  5. If ABC is a triangle such that A= (1,2) and B = (5,5) with BC =9 and ...

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  6. The centres of three circles A, B and C can collinear with the centre ...

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  7. PQ is chord of contract of tangents from point T to a parabola. If PQ ...

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  8. The circum circle of triangle ABC is x^2 +y^2-5x-4y + 6=0 , if a parab...

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  9. Coordinates of the point on the stratight line x +y =4, which is neare...

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  10. The latus rectum of a conic section is the width of the function throu...

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  11. If QR is chord contact when two tangents are drawn from origin to the ...

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  12. If sum (r =1) ^(n) (cos (2rx))/(sin (r x + (pi)/(4)))= (2 sin (50x)sin...

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  13. The number of distinct solution of cos(x)/(4)=cos(x) in x in [0,24 pi...

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  14. In Delta ABC, a ^(2) + c^(2)= 2002 b ^(2) then (cotB)/(cot A + cotC) ...

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  15. Let O be the circumcentre of acute angled Delta ABC and let r (1) ,r (...

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  16. If in triangle A B C ,sumsinA/2=6/5a n dsumI I1=9 (where I1,I2a n dI3 ...

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