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Find the principal and general solutions of the following equation:- `sec x = 2`

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JBD PUBLICATION-TRIGNOMETRIC FUNCTIONS-EXAMPLE
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  3. Find the principal and general solutions of the following equation:- s...

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  4. Find the general solution of the following equations: cos 4 x = cos 2x

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  5. Find the general solutions of the equations sinx+sin3x+sin5x=0.

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  6. Find the general solution of the following equations: cos 4 x = cos 2x

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  7. An athlete runs 4 times around a circular running a path to describe 1...

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  8. Prove that: cot^2frac (pi)(6)+cosecfrac (5pi)(6)+3tan^2frac (pi)(6)=6

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  9. In triangleABC, prove that cos(A+B)+cosC=0

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  10. In triangleABC, prove that cos((A+B)/(2))=sinC/2

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  11. Prove the following: cos((3pi)/2+x)cos(2pi+x)[cot((3pi)/2-x)+cot(2pi+x...

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  12. If tan alpha= (m)/(m+1) and tan beta=(1)/(2m+1), the find the value o...

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  13. If tan(alpha+theta)=ntan(alpha-theta), show that:(n+1)sin 2theta=(n-1)...

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  14. Prove that:(1+sin2x-cos2x)/(1+sin2x+cos2x)=tanx

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  15. Show that sqrt(2+sqrt(2+sqrt(2+2cos 8)))=2cos theta

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  16. Find sinfrac(x)(2), cosfrac(x)(2) and tanfrac(x)(2) in the following:-...

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  17. Find sinfrac(x)(2), cosfrac(x)(2) and tanfrac(x)(2) in the following:-...

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  18. Prove the following: (cos4x + cos3x + cos2x)/(sin4x + sin 3x + sin 2x)...

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  19. Show that:(sin11x sinx+sin7x sin3x)/(cos11x sinx + cos7x sin3x)=tan8x

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  20. Prove the following: sin2 x + 2 sin 4x + sin 6x = 4 cos^2 x sin 4x

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