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LUCENT PUBLICATION-TRIGONOMETRIC RATIO OF SPECIFIC ANGLES-Exercise 10A
- Assume the Earth to be a sphere of radius R. What is the radius of the...
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- If (cosectheta+sintheta)/(cosectheta-sintheta)=(5)/(3) and 0^(@)ltthet...
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- Choose the correct statement :
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- Given below are respectively base and hypotenuse of four right angle t...
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- Consider the following statements about the expression sin^(3)theta+2s...
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- Consider right angled DeltaABC with /B=90^(@) . If /ACB=60^(@) , then ...
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- In DeltaABC, /ABC=60^(@) and AD is perpendicular from A to BC . If AB=...
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- If 0^(@)lethetale90^(@) then for any value of theta which one is corre...
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- If 0^@ lt theta lt 90^@, then the value of sin theta + cos theta is
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- If sin theta+cosec theta=2 then value of sin^(4)theta+cos^(4)theta ?
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- If sec theta = (13)/( 5) , then what is the value of (2 sin theta - ...
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- If 0^(@)lexle90^(@) and sinx+sqrt(3)cosx=1 , then what is the value of...
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- In a right angled DeltaABC if /B=90^(@),AC=2sqrt(5) and AB-BC=2 then w...
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- Statement (A) : If tantheta+cottheta=2 , then for all n epsilon N, tan...
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- What is the value of expression cos^(2)((pi)/(8))+4cos^(2)((pi)/(4))-s...
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- If qcosectheta=p and theta is acute then value of (sqrt(p^(2)-q^(2)))t...
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- If 2x^(2)cos 60^(@)-4cot^(2)45^(@)-2tan 60^(@)=0, then what is the val...
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- If 13 cos theta=12k-5 where 0lethetale90^(@) and k is an integer then ...
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- Statement (A) : tan50^(@)gt1 Reason (R ) : For 0^(@)ltthetalt90^(@),...
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- Which one of the following is true ?
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