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CBSE COMPLEMENTARY MATERIAL-INTRODUCTION TO TRIGONOMETRY-SHORT ANSWER TYPE (I) QUESTIONS
- Prove the identities sec^4 theta - sec^2 theta = tan^4 theta + tan^2 t...
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- sqrt((1+sintheta)/(1-sintheta)) = .
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- If x=p sec theta+q tan theta & y=p tan theta+q sec theta then prove th...
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- If 7 sin^2theta + 3 cos^2theta = 4 then show that tan theta=1/sqrt3
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- If sin(A-B)=1/2,""""cos(A+B)=1/2, 0o<A+Blt=90o,""""A > B , find A and ...
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- Find the value of (cos^(2)20^(@)+cos^(2)70^(@))/(sin^(2)59^(@)+sin^(2)...
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- Prove that : tan1^(@)tan11^(@)tan21^(@)tan69^(@)tan79^(@)tan89^(@)=1
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- If sec4A ="cosec"(A-20^@) where 4A is an acute angle , find the value ...
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- If 3cotA=4, find the value of ("Cosec"^(2)A+1)/("Cosec"^(2)A-1).
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- If tan(3x-15^(@))=1 then find the value of x.
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- If A, B, C are interior angles of DeltaABC, the prove that cosec((A+B)...
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- In DeltaABC, right angled at B, AB = 5 cm and angleACB==30^(@). Find B...
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- If tantheta=cot(30^(@)+theta), Find the value of theta.
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- Show that : (1-sin60^(@))/(cos60^(@))=2-sqrt3.
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- Find the value of theta, if (costheta)/(1-sintheta)+(costheta)/(1+sint...
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