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sin 18^@-cos 72^@ is equal to : sin 18...

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

A

0

B

2

C

1

D

`1/2`

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PINNACLE-TRIGONOMETRY-EXERCISE
  1. If 2 sin^2 theta+3 sin theta-2=0,0^@ prec theta prec 90^@ then the va...

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

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

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

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

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

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

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

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

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  10. The value of sin^(2)30^(@).cos^(2)45^(@)+2tan^(2)30^(@)-sec^(2)60^(@...

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  11. If cos theta =1/sqrt10, then tan theta is equal to: यदि cos theta=1...

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  12. If 2sin3 theta =1, then value of theta is: यदि 2sin3 theta =1 है, त...

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  13. 4/3 tan^2 60^@+3 cos^2 30^@-2 sec^2 30^@-3/4 cot^2 60^@ is equal to: ...

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  14. The value of 4sin^2 30^@+3 cot^2 60^@ is 4sin^2 30^@+3 cot^2 60^@ का...

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  15. The value of cos^2 45^@+sin^2 30^@- sin^2 60^@ is equal to: cos^2 4...

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  16. The value of cot^2 A-1/(sin^2 A) is equal to: cot^2 A-1/(sin^2 A) क...

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  17. Find the value of (1 +cot^2 theta )(1-cos^2 theta ) (1 +cot^2 theta ...

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  18. If 4 tan theta =3, then find the value of (5 sin theta -3 cos theta )/...

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  19. (cosec 31^@)/(sec 59^@) is equal to: (cosec 31^@)/(sec 59^@) का मान...

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  20. If sin theta=(p^2-1)/(p^2+1), then cos theta is equal to : यदि sin t...

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