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The simplified value of/सरलीकृत मान ज्ञ...

The simplified value of/सरलीकृत मान ज्ञात करें: `(sin^3 21+cos^3 19)/(sin 21+ cos19) +sin^2 69+cos^2 71+ 1/(sec69. cosec 71)`

A

3

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1

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4

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2

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PINNACLE-TRIGONOMETRY-EXERCISE
  1. For theta being an acute angle, it is given that, 3(cosec^2 theta+cot...

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  2. For theta being an acute angle, 4(2 sin^2 theta+7 cos^2 theta) = 13. W...

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  3. The simplified value of/सरलीकृत मान ज्ञात करें: (sin^3 21+cos^3 19)/(...

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  4. theta being an acute angle,it is given that (sec^2 theta+4 tan^2 theta...

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  5. It is given that, sqrt((1-sin x)/(1+sin x))= a-tanx then a is equal to...

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  6. What is the value of cosec^2 30+ sin^2 45+sec^2 60+ tan^2 30 ? cosec...

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  7. The value of theta when sqrt3 cos theta+sin theta=1(0^theta le theta l...

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  8. For all alphai^t s, (i=1,2,3............20) lying between 0^@ and 90^@...

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  9. For 0^@ le theta le90^@, tan theta+ cot theta =2. theta is equal to : ...

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  10. Find the simplified value of/सरलीकृत मान ज्ञात करें: (sin^2 31^@+sin^...

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  11. sin^2 36^@+ tan^2 60^@+ sec^2 30^@ + sin^2 54^@ is equal to / sin^2 ...

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  12. If 2 sin^2 theta+3 sin theta-2=0,0^@ prec theta prec 90^@ then the va...

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  13. If 5 cos theta -12 sin theta =0, the value of (2 sin theta +cos theta ...

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  14. sin 18^@-cos 72^@ is equal to : sin 18^@-cos 72^@ का मान क्या होगा ?

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  15. The value of (sin 30^@-cos 60^@+ cot^2 45^@)/(cos 30^@-tan 45^@+sin 90...

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  16. If tan 3x = cot (30^@+2x), then what is the value of x? यदि tan 3x =...

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  17. If sec 2x = cosec(3x-45^@), then x is equal to: यदि sec 2x = cosec(3...

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  18. The value of (sin^2 60^@+cos^2 30^@- sec 35^@.sin 55^@)/(sec 60^@+cose...

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  19. If tanx = cot(45^@+2x), then what is the value of x? यदि tanx = cot(...

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  20. The value of [(sin^2 24^@+sin^2 66^@)/ (cos^2 24^@+cos^2 66^@)+sin^2 6...

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