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tan 2A- sec A sin A =...

` tan 2A- sec A sin A = `

A

`sin A* tan 2A`

B

`tan A * sec 2A`

C

`sec A - sin 2A `

D

`cos A- cot 2A `

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-TRIGONOMETRIC RATIOS AND IDENTITIES -EXERCISE 1 C ( MULTIPLE AND SUBMULTIPLE ANGLES )
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  4. sin 2 alpha - cos 2 alpha tan alpha =

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  5. ( sin 3A + sin A) sin A + ( cos 3A- cos A ) cos A =

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  6. If ( cos 3A+ sin 3A)/( cos A - sin A )=1-k sin 2A , the value of k is

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  8. If cos^(6) theta + sin^(6) theta + k sin^(2) 2theta=1 , then k=

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  9. The value of cos^(2)A(3-4 cos^(2)A)^(2) + sin^(2)A(3-4 sin^(2)A)^(2)...

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  11. 2 sin^(2) beta + 4 cos( alpha+ beta) sin alpha sin beta + cos ( 2 alph...

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  12. (sin^(2)3A)/(sin^(2)A)-(cos^(2) 3A)/(cos^(2)A)=

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  13. If A is in the III quadrant , 3 tan A-4=0 " then " 5 sin 2A + 3 sin A ...

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  14. If ' theta ' is in the III quadrant then sqrt(4 sin^(4) theta + sin^(...

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  15. If 2A+B=(pi)/2 " then " sqrt((1+ sin B)/(1-sinB))=

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  16. If tan x=(b)/(a) " then " sqrt((a+b)/(a-b))+sqrt((a-b)/(a+b))=

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  19. If (sin alpha )/(a) = ( cos alpha )/(b) , then a sin 2alpha + b cos 2...

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  20. If x=sqrt((1- cos theta )/(1+ cos theta )), " then " (2 x)/(1-x^(2))=

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