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The value of sin^2 38^@+ sin^2 52^@+ sin...

The value of `sin^2 38^@+ sin^2 52^@+ sin^2 30^@- tan^2 45^@` is equal to:
`sin^2 38^@+ sin^2 52^@+ sin^2 30^@- tan^2 45^@` का मान किसके बराबर है?

A

a)`1/3`

B

b)`1/4`

C

c)`3/4`

D

d)`1/2`

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PINNACLE-TRIGONOMETRY-EXERCISE
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  2. If (tan theta + sin theta)/(tan theta - sin theta)=(k+1)/(k-1). Then k...

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  3. The value of sin^2 38^@+ sin^2 52^@+ sin^2 30^@- tan^2 45^@ is equal t...

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  4. If Cosec theta=13/12, then Sin theta +Cos theta -tan theta is equal t...

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  5. The value of (sin 44^@)/(cos 46^@)+ sin^2 60^@-cos^2 45^@+ sec 60^@ is...

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  6. If 3cos^2 A+7 sin^2 A=4, then what is the value of cot A, given that A...

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  7. If (cos^2 theta)/(cot^2 theta-cos^2 theta)=3, 0^@< theta<90^@, then th...

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  8. The value of 1/(sin theta)-(cot^2 theta) /(1+cosec theta) is : 1/(si...

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  9. (1/(1+sin^2 theta)+1/(1+cosec^2 theta)) =?

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  10. The value of 1/(secx- tanx)-1/(cos x), 0^@ <x<90^@, is equal to : ...

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  11. If 4 - 2 sin^2 theta-5 cos theta=0, 0^@ < theta<90^@, then the value ...

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  12. If cot theta= sqrt7, then the value of (cosec^2 theta-sec^2 theta)/(co...

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  13. If sin theta= a/(sqrt(a^2+b^2)), 0^@< theta<90^@, then the value of se...

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  14. ((2 tan 30^@)/(1-tan^2 30^@))=?

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  15. If 1/(cosec theta-1)+1/(cosec theta+1) =2 sec theta, 0^@< theta<90^@, ...

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  16. If cos^2 theta-sin^2 theta-3 Cos theta+2 =0, 0^@< theta<90^@, then wha...

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  17. ((sec theta+tan theta)(1-sin theta))/ (cosec theta(1+cos theta)(cosec ...

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  18. If Cot theta=1/sqrt3, then the value of (2-sin^2 theta)/(1-cos^2 theta...

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  19. If Cosec 31^@=x, then sin^2 59+1/(cosec^2 31)+ tan^2 59-1/(sin^2 59. c...

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  20. If sqrt((1-cos theta)/(1+cos theta)) xx sqrt((cosec theta-cot theta)/(...

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