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Prove that: (1+sec2theta)(1+sec4theta)(1...

Prove that: `(1+sec2theta)(1+sec4theta)(1+sec8theta)...(1+sec2^ntheta)=t a n2^nthetacottheta, n in Ndot`

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Prove that (1+sec 2 theta)(1+sec 4 theta)(1+sec 8 theta)=(Tan 8theta)/(tan theta)

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Prove that: (sec8theta-1)/(sec4theta-1)=(tan8theta)/(tan2theta)

Prove that: (sec8theta-1)/(sec4theta-1)=(tan8theta)/(tan2theta)

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1/sec2(theta) + 1/cosec2(theta) =

Prove that (sin theta- "cosec" theta )(cos theta- sec theta )=(1)/(tan theta + cot theta).

sec(pi/4+theta)sec(pi/4-theta)=2sec2theta

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CENGAGE ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
  1. sqrt((1-sintheta)/(1+sintheta))={sectheta-tantheta , if -pi/2ltthetalt...

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

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

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

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

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

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

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

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

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

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

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

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

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  14. Which of the following is the greates? cos e c1 (b) cos e c2 cos e c...

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  15. If tan(pi/4+y/2)=tan^3(pi/4+x/2)dot Prove that (siny)= (sinx)(3+sin^2...

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  16. Find the value of x for which f(x)=sqrt(sinx-cosx) is defined, x in [0...

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  17. In triangle A B C ,b^2sin2C+c^2sin2B=2bc where b=20 ,c=21 , then i...

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  18. Solve for x and y :sqrt(3)sinx+cosx=8y-y^2-18 ,w h e r e0lt=xlt=4pi, y...

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  19. Show that (1+sinA)/(cosA)+(cosB)/(1-sinB)=(2sinA-2sinB)/(sin(A-B)+cosA...

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  20. The ratio of the area of a regular polygon of n sides inscribed in a ...

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