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Find the value of, (4)/(3)cot^(2)30^(@...

Find the value of,
`(4)/(3)cot^(2)30^(@)+3sin^(2)60^(@)-2" cosec"^(2)60^(@)-(3)/(4)tan^(2)30^(@)`:

A

44265

B

44266

C

4

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
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Prove that : (4)/(3) tan ^(2) 30^(@) + sin ^(2) 60^(@) - 3 cos ^(2) 60^(@) + (3)/(4) tan^(2) 60^(@) - 2 tan^(2) 45^(@) = (25)/(36)

Find the value of cosec^(2)30^(@)sin^(2)45^(@)-sec^(2)60^(@)

Find the value of 5tan^(2)30^@+4cos^(2)45^@-sin^(2)60^@+1

The numerical value of (4)/(3) cot^(2)30^(@)-2csc^(2)60^(@)-(3)/(4) tan^(2)30^(@)= A) 11//16 B) 16//11 C) 13//12 D) 6//11

(2)/(3)(cos^(4)30^(@)-sin^(4)45^(@))-3(sin^(2)60^(@)-sec^(2)45^(@))+(1)/(4)cot^(2)30^(@)

Evaluate : 3 cos^(2)60^(@)sec^(2)30^(@)-2 sin^(2)30^(@)tan^(2)60^(@)

cos^(2)0^@-2cot^(2)30^(@)+3cosec^(2)90^(@)=2(sec^(2)45^(@)-tan^(2)60)

Find the value of sin^(2)30^(@)+cos^(2)60^(@)+tan45^(@) .

Evaluate: (2)/(3)(cos^(4)30^(@)-sin^(4)45^(@))-3(sin^(2)60^(@)-sec^(2)45^(@))+(1)/(4)cot^(2)30^(@)

QUANTUM CAT-TRIGONOMETRY-QUESTION BANK
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  2. If A is in the fourth quadrant and cosA=(5)/(13), find the value of (1...

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  3. Find the value of, (4)/(3)cot^(2)30^(@)+3sin^(2)60^(@)-2" cosec"^(2)...

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  5. Find the altitude and base of an isosceles triangle whose vertical ang...

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  6. If 5sin^(2)theta+3cos^(2)theta=4. Find the value of sin theta and cos ...

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  7. solve the following expression sqrt((1-costheta)/(1+costheta))+sqrt((1...

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  8. If tan theta=(a)/(b), find the value of (a sin theta-b cos theta)/(asi...

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  9. For the every theta,0ltthetale90, find the values of the following ang...

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  10. For the every theta,0ltthetale90, find the values of the following ang...

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  11. For the every theta,0ltthetale90, find the values of the following ang...

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  12. If A+B=45^(@), find the valueof tanA+tanB+tanA tanB:

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  13. Find the value of sin75^@

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  14. solve the following expression cos32^@ cdot cos28^@-sin32^@ cdot sin28...

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  15. If cosA=(3)/(5) and sinB=(5)/(13), find the value of (tanA+tanB)/(1-t...

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  16. Find the value of sin^(2)(120^(@)-A)+sin^(2)A+sin^(2)(120^(@)+A):

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  17. If cos(alpha+beta)=(4)/(5) and sin(alpha-beta)=(5)/(13) and alpha, bet...

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  18. Find the maximum and minimum values of 8costheta+15sintheta:

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  19. Find the valueof 2cos45^(@).cos15^(@):

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  20. Find the value of (sin75^(@)+sin15^(@))/(cos75^(@)+cos15^(@)) :

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