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( sin (15pi//9)*tan(4pi//3)*sec(-7pi//3)...

`( sin (15pi//9)*tan(4pi//3)*sec(-7pi//3))/(cot(-3pi//4)*cos(7pi//6)*"cosec"(-7pi//4))=`

A

`sqrt(2//3)`

B

`sqrt(3)`

C

6

D

`sqrt(6)`

Text Solution

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-TRIGONOMETRIC RATIOS AND IDENTITIES -EXERCISE 1 A ( TRIGONOMETRIC FUNCTIONS)
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  4. (tan(35pi//6)*sin(-11pi//3)*sec(-7pi//3))/(cot(5pi//4)*"cosec"(7pi//4)...

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  9. If alpha , beta are supplementary angles , then cos^(2)alpha + sin^(...

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  10. If x= sin 1 , y=sin1^(@) then

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  11. If x=cos 1 , y= cos1^(@) then

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  12. If x=tan1 , y=tan1^(@) then

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  13. If tan theta = -4//3 " then " sin theta =

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  14. If cot theta = 15//8 and theta is not in the first quadrant then s...

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  15. If alpha , beta are complementary angles , sin alpha = 3//5 , then s...

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  16. If 180^(@) lt theta lt 270^(@) and sin theta = -5//13 then 5 cot^(...

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  17. If cot theta=-3//4 and theta is not in the second quadrant , then ...

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  18. If tan theta = -4//3 and theta is not in the fourth quadrant , then ...

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