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If cos x= tan y , coty= tan z , cot z= ...

If ` cos x= tan y , coty= tan z , cot z= tan x` then sin x=

A

`sin x= siny= sin z= sin 18^@`

B

`sin x= sin y = sin z= 2 sin 18^(@) `

C

`sin x= sin y=sin z= sin 36^@`

D

`sin x= sin y = sin z=2 sin 36^(@) `

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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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  2. If cos x= tan y , coty= tan z , cot z= tan x then sin x=

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  3. If cos x= tan y , coty= tan z , cot z= tan x then sin x=

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  4. If cos x = tan y , cot y= tan z and cot z= tan x, then sin x=

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  5. If "cosec" theta =[(tan^(2) [(alpha - pi)//4]-1)/(tan^(2)[(alpha-pi//4...

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  6. If cos theta =(1)/(2)(a+(1)/(a)), then cos 2 theta =

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  7. If 0 lt theta lt pi//4 , " then " sqrt(2+sqrt(2+2cos 4 theta ))=

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  8. If 0 lt x lt pi , and cos x+ sin x =1//2, then tan x=

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  9. If x cos alpha = y cos ( 2pi//3+ alpha ) = z cos ( 4pi//3+ alpha ) , "...

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  10. If (x)/(tan( theta + alpha ))=(y)/(tan (theta + beta ))=(z)/(tan ( the...

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  11. If (x)/( cos theta ) = (y) /( cos (theta - 2pi//3))=(z)/( cos ( theta ...

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  12. If log2(sinx)-log2(cos x)-log2(1-tan x)-log2(1+ tan x)=-1 then tan 2...

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  13. tan x+ tan(x+(pi)/(3))+ tan(x+(2pi)/(3))=3impliestan 3 x=

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  14. If tan theta + tan ( theta + (pi)/(3))+ tan ( theta + (2pi)/(3))=3 , ...

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  15. If tan 35^(@) = k , then the value of ( tan 145^(@) - tan 125^(@))/...

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  16. If "cosec" theta = (p+q)/(p-q) " then " cot((pi)/4+( theta )/(2))=

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  17. If sec ( theta - alpha ) , sec theta , sec ( theta + alpha ) are in ...

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  18. If A=340^(@) " then " sqrt(1- sin A)-sqrt(1+ sin A)=

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  19. If tan^(2) A= 2 tan ^(2) B+1, then 2 cos 2A + 1=

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  20. If tan^(2) A= 2 tan ^(2) B+1, "then " cos 2A + sin^(2)B =

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