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The value of (tan 29^circ cot61^circ -...

The value of
`(tan 29^circ cot61^circ - cosec^2 61^circ)` + `(cot^2 54^circ - sec^2 36^circ)` + `(sin^2 1^circ + sin^2 3^circ + sin^2 5^circ +......+ sin^2 89^circ)` is: `(tan 29^circ cot61^circ - cosec261^circ) + cot254^circ - sec236^circ +(sin 21^circ + sin 23^circ + sin 25^circ +......+ sin 289^circ)`का मान है :

A

`22 1/2`

B

21

C

`20 1/2`

D

22

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PINNACLE-SSC MATHS MAINS 2018 TRIGNOMETRY-Exercise
  1. sqrt((cot theta+cos theta)/(cot theta -cos theta)) is equal to : sqr...

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  2. If (1 + sin∅)/(1 - sin∅) = p^2/q^2, then sec∅ is equal to: यदि (1 + si...

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  3. If (sin^2 phi+3sin phi+2)/(cos^2 phi)=1, where -90^@< phi <90^@, then ...

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  4. (sec∅ - tan∅)^2 (1 + sin∅)^2 ÷ sin^(2)∅ =? (sec∅ - tan∅)^2 (1 + sin∅)^...

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  5. The value of ((sinA)/(1-cosA)+(1-cosA)/ (sinA)) div ((cot^2 A)/(1+cose...

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  6. The value of (tan 29^circ cot61^circ - cosec^2 61^circ) + (cot^2 54^...

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  7. The value of (sec psi(1-sin psi)(sin psi+ cos psi)(sec psi+tan psi))/(...

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  8. The value of ((sin(78^circ +θ) - cos (12^circ +θ) +(tan^(2)70^circ - ...

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  9. If 3(cot^(2)∅ - cos^(2)∅) = cos^(2)∅, 0^circ lt ∅ lt 90^circ, then the...

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  10. The value of sqrt((cosec ∅- cot∅)/(cosec∅ + ccot ∅)) ÷ sin∅/(1 + cos ∅...

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  11. The value of tan^(2)∅+ cot^(2)∅− sec^(2)∅ cosec^(2)∅is equal to: tan^(...

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  12. The value of (sec^(2)θ /cosec^(2)θ) + (cosec^(2)θ /sec^(2)θ )-(sec^(2...

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  13. If 2cos^(2)θ + 3sinθ = 3, where 0^circ lt θ lt 90^circ, then what is t...

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  14. The value of ((sinθ -cosθ )(1 + tanθ + cotθ ))/(1+sinθ cosθ ) = ? ((...

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  15. If secθ + tanθ = p, (p gt 1) ,then (cosecθ+1)/(cosecθ -1) = ? यदि secθ...

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  16. The value of sin^2 64^@+cos64^@ sin26^@+2cos43^@ cosec47^@ is : sin^...

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  17. The value of ( 1 + cotθ – cosecθ ) ( 1 + cosθ + sinθ )secθ = ? ( 1 + c...

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  18. The value of cosec(67^circ +θ) – sec(23^circ -θ) + cos15^circ cos35^ci...

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  19. The value of (2(sin^(6)theta+cos^(6)theta)-3(sin^(4)theta+cos^(4)theta...

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  20. If (sinθ/(1+ cosθ)) + ((1 +cosθ)/sinθ) = 4/sqrt3 0^circ lt θ lt 90^cir...

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