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What is the value of cosec(65^@+theta) -...

What is the value of `cosec(65^@+theta) -sec(25^@-theta)+tan^2 20^@- cosec^2 70^@` ?
`cosec(65^@+theta) -sec(25^@-theta)+tan^2 20^@- cosec^2 70^@` का मान क्या है ?

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1

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2

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`-1`

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PINNACLE-TRIGONOMETRY-EXERCISE
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  2. If theta lies in the first quadrant and cos^2 theta-sin^2 theta=1/2, t...

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  3. What is the value of cosec(65^@+theta) -sec(25^@-theta)+tan^2 20^@- co...

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  4. ((1+cos theta)^2+ sin^2 theta)/ ((cosec^2 theta-1)sin^2 theta) =?

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  5. ((1-tan theta)/(1-cot theta))^2 +1 =

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  6. sqrt((cot theta+cos theta)/(cot theta -cos theta)) is equal to : sqr...

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  7. If 5 sin theta-4cos theta=0, 0^@< theta< 90^@, then the value of (5 si...

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

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

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

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  11. The value of tan^2 psi+cot^2 psi-sec^2 psi.cosec^2 psi is equal to: ...

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  12. (sec psi-tan psi)^2 (1+sin psi)^2 div sin^2 psi =?

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  13. If 3(cot^2 psi-cos^2 psi)= cos^2 psi, @ <psi <90^@, then the value of ...

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  14. If (cos theta )/(1-sin theta )+(cos theta )/(1+sin theta )=4, 0^@< the...

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  15. The value of (sin (78^@+theta)-cos (12^@-theta)+(tan^2 70^@-cosec^2 20...

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  16. The value of sqrt((cosec psi- cot psi)/(cosec psi+ cot psi)) div (sin ...

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  17. If cosec 39^@=x, then the value of 1/( cosec^2 51^@)+sin^2 39^@+tan^2 ...

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  18. If sec theta+tan theta=p,(p>1) then (cosec theta+1)/(cosec theta-1) =?...

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  19. The value cosec(67^@ +theta)-sec (23^@ -theta)+cos 15^@ cos35^@ cosec ...

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  20. If 2 cos^2 theta+3 sin theta=3,where 0^@< theta< 90^@ then the value o...

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