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The complementary angle of 90^(@) is...

The complementary angle of `90^(@)` is _________

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The correct Answer is:
`0^(@)`
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CALCUTTA BOOK HOUSE-TRIGONOMETRIC RATIOS OF COMPLEMENTARY ANGLES -EXERCISE
  1. If the sum of any two acute angles be 180^(@), then they are called cm...

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  2. If sin(theta+36^(@))=costheta then the value of theta" is "27^(@)

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  3. The complementary angle of 90^(@) is

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  4. If in DeltaABC,angleC=90^(@) then 1+tan^(2)A

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  5. If theta=0^(@) then the trigonometrical ratio tangent of complementary...

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  6. Find the value of cos1^(@)cos2^(@)cos3^(@).............cos180^(@)

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  7. If 0^(@)angletheta angle20^(@), then find the value of theta when sin^...

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  8. If sin^(-1)x+sin^(-1)y+sin^(-1)z=(3pi)/(2), then then the value of (x...

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  9. If X, Y, Z are the angles of a DeltaXYZ then prove that cos^(2)""(X)/...

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  10. If x=acos(90^(@)-theta)andy=bcot(90^(@)-theta), then prove that (a^(2)...

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  11. Prove that (1+sec22^(@)+cot68^(@))(1-cosec22^(@)+tan68^(@))=2

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  12. If angleA+angleB=90^(@) then prove that 1+(cotA)/(cotB)=cosec^(2)A

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  13. If alpha+beta=90^(@), then find the value of cotbeta+cosbeta-(cosbeta)...

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  14. Find the value of (5sin75^(@)sin77^(@)+2cos13^(@)cos15^(@))/(cos15^(@)...

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  15. If alpha+beta=90^(@) then prove that cosec^(2)alpha+cosec^(2)beta=cose...

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  16. Prove that sec^(2)11^(@)-(1)/(tan^(2)79^(@))=1.

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  17. If A+B=90^(@) then prove that tanA+tanB=(cosec^(2)A)/(sqrt(cosec^(2)A-...

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  18. Prove that tan4^(@)tan43^(@)tan47^(@)tan86^(@)=1.

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  19. If tanthetaxxtan3theta=1, then find the value of tan2theta.

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  20. If cos5theta=0, then find the value of costheta.

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