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If cot x=(a+a^(3)+a^(3))^((1)/(2)), cot ...

If `cot x=(a+a^(3)+a^(3))^((1)/(2)), cot y=(1+ a+ a^(-1))^((1)/(2)) and cot x=(a^(-1)+a^(-2)+a^(-3))^((1)/(2))` prove that `dx+y=z`.

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CHHAYA PUBLICATION-MISCELLANEOUS EXAMPLES-TRIGONOMETRY
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  3. If cot x=(a+a^(3)+a^(3))^((1)/(2)), cot y=(1+ a+ a^(-1))^((1)/(2)) and...

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  7. If alpha+ beta=(pi)/(3)(alpha gt 0 , beta gt 0) find the maximum value...

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  8. Solve sqrt(2 cos^(2)x+1)+ sqrt(2 sin^(2)x+1)=2 sqrt(2)

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  9. If tan alpha= x tan beta (x gt0), show that tan^(2)(alpha- beta) le ((...

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  10. Prove that cos theta(sin theta +-sqrt(sin^(2) theta+ sin^(2) alpha)) a...

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  11. If cos^(2) theta=(a^(2)-1)/(3) and "tan"^(2) (theta)/(2)= tan^((2)/(3)...

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  17. In an acute angled triangle ABC, prove that tan^(2)a+tan^(2)B+tan^(2) ...

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  19. If tan theta= sqrt((a-b)/(a+b))"tan"(A)/(2) and cos varphi =(b+ a cos ...

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