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LUCENT PUBLICATION-TRIGONOMETRIC RATIO OF SPECIFIC ANGLES-Exercise 10A
- 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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- (kcosec^(2)30^(@).sec^(2)45)/(8cos^(2)45^(@).sin^(2)60^(@))=tan^(2)60^...
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- If sinalpha+cosbeta=2(o^(@)lebetaltalphale90^(@)) , then sin((2alpha...
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- Find the value of cot10^(@).cot20^(@).cot60^(@).cot70^(@).cot80^(@).
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- If tantheta=1, then the value of (8sintheta+5cos theta)/(sin^(3)thet...
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- What of the value of tan.(pi)/(8).tan.(pi)/(12).tan.(pi)/(4).tan.(3pi)...
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- If tan15^(@)=2-sqrt(3) then value of tan15^(@)cot75^(@)+tan75^(@)cot15...
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