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If theta is the internal angle of n side...

If `theta` is the internal angle of `n` sided regular polygon, then `sintheta` is equal to:

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  5. "I f"pi<2theta<(3pi)/2,"t h e n"sqrt(2+sqrt(2+2cos4theta))

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  6. (sin^3theta-cos^3theta)/(sintheta-costheta)-(costheta)/(sqrt(1+cot^2th...

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  7. If sce A=17/8 and cosec B=5/4, then sec(A+B) can have the value equal ...

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  10. In a triangle ABC, angle A is greater than angle B. If the measures of...

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  11. If (sin3theta)/(sintheta)=(11)/(25)\ t h e ntan(theta/2) can have the...

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  12. The expression ((cos A-cos B)/(sin A-sin B))^m+((sin A+sin B)/(cos A-c...

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  13. If cos(A-B)=3/5a n d\ t a n AtanB=2, t h e n cos A\ cosB=1/5 b. cosA...

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  14. If A+B=pi/3a n d\ cos A+cos B=1,\ t h e n- a.cos(A-B)=1//3 b. \ |cos ...

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  15. If Aa n dB are acute positive angles satisfying the equations 3sin^2A...

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  17. If tan^2 theta+ cot^2 theta=52, then the value of tan^2 theta+ cot^2...

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  18. Given both thetaa n dphi are acute angles and sintheta=1/2,cosvarphi=...

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