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If cot^(2) theta= cot (theta-alpha) cot(...

If `cot^(2) theta= cot (theta-alpha) cot( theta- beta)`, prove that `cot alpha+ cot beta=2 cot 2 theta`

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CHHAYA PUBLICATION-MISCELLANEOUS EXAMPLES-TRIGONOMETRY
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  3. If cot^(2) theta= cot (theta-alpha) cot( theta- beta), prove that cot...

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  7. If tan^(2) alpha+ 2tan alpha tan 2 beta= tan^(2) beta+ 2 tan beta tan ...

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  8. If "cosec" 2A+ "cosec"2B+"cosec"2C=0, prove that tan A+ tan B+ tan C+ ...

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  9. Let f(x-1)=5x -3.then find f^-1(x)

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  10. If (tan (alpha- beta+ gamma))/(tan (alpha+ beta- gamma))=(tan beta)/( ...

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  11. If 0 lt alpha lt (pi)/(2), (pi)/(2) lt beta lt pi and cos alpha =(4)/(...

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  12. If alpha and beta be two roots of the equation a cos theta+ b sin thet...

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  18. Prove that the lengths of the chord of a circle which subtends an angl...

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