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(sin^(2)A-sin^(2)B)/(sinAcosA-sinBcosB)=...

`(sin^(2)A-sin^(2)B)/(sinAcosA-sinBcosB)=?`

A

`tan(A-B)`

B

`tan(A+B)`

C

`cot(A-B)`

D

`cot(A+B)`

Text Solution

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The correct Answer is:
B
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ADVANCED MATHS BY ABHINAY MATHS ENGLISH-TRIGONOMETRY -EXERCISES (Multiple Choice Questions)
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  7. <b>(i) tanA+tan(180^(@)+A)+cot(90^(@)+A)+cot(360^(@)-A)=?</b> (a) 0 ...

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  13. If x=secphi-tanphi&y=cosecphi+cotphi, then

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  16. If tantheta-cottheta=a and costheta+sintheta=b, then (b^(2)-1)^(2)(a^(...

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  17. If tantheta=(sinalpha-cosalpha)/(sinalpha+cosalpha), then sinalpha+cos...

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  18. If sintheta+sinphi=aandcostheta+cosphi=b, then tan((theta-phi)/(2))=?

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