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Solve sin^2x+cos^2y=2sec^2z for x , y ,a...

Solve `sin^2x+cos^2y=2sec^2z` for `x , y ,a n dzdot`

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CENGAGE ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
  1. For 0 < varphigeqpi/2,ifx=sum(n=0)^oocos^(2n)varphi,y=sum(n=0)^oosin^...

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  2. In a right angled triangle, acute angle A and B satisfy tanA+tanB+tan^...

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  3. Solve sin^2x+cos^2y=2sec^2z for x , y ,a n dzdot

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  4. if 0ltalphaltbetaltgammaltpi/ 2,then prove that tanalpha lt (sinalpha+...

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  5. Given b=2,c=sqrt(3),/A=30^0 , then inradius of A B C is (sqrt(3)-1)/2...

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  6. If A,B,C are angles of a triangle, then 2sin(A/2)cosec (B/2)sin(C/2)-s...

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  7. Solve cos^(50)x-sin^(50)x=1

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  8. sqrt((1-sintheta)/(1+sintheta))={sectheta-tantheta , if -pi/2ltthetalt...

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  9. If two sides of a triangle are roots of the equation x^2-7x+8=0 and th...

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  10. Prove that: (1+sec2theta)(1+sec4theta)(1+sec8theta)...(1+sec2^ntheta)=...

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  11. If 3sinx+4cosa x=7 has at least one solution, then find the possible v...

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  12. Prove that (cos(90^0+theta)sec(-theta)"tan"(180^0-theta))/(sec(360^0-t...

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  13. A sector O A B O of central angle theta is constructed in a circle wit...

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  14. Prove that: (2cos2^ntheta+1)/(2costheta+1)=(2costheta-1)(2cos2theta-1)...

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  15. Find the number of solution of sin^2xcos^2x=1+cos^2xsin^4x in the inte...

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  16. Prove that sin(-420^0)(c0s390^0)+cos(-660^0)(sin330^0)=-1

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  17. If R(1) is the circumradius of the pedal triangle of a given triangle ...

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  18. If x=sin(theta+(7pi)/(12))+sin(theta+pi/(12))+sin(theta+(3pi)/(12))dot...

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  19. In any triangle, the minimum value of r1r2r3//r^3 is equal to (a) 1 ...

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  20. Solve the equation for x: cos^2[pi/4(sinx+sqrt(2)cos^2x)]-tan^2[x+pi/4...

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