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AAKASH SERIES-COMPOUND ANGLES-EXERCISE - I
- Tan75^(@) - Cot75^(@) =
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- "cosec" 15^(@) + sec 15^(@) =
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- Prove that sin^(2)52 1/2-sin^(2)22 1/2.
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- cos^(2)(""(pi)/(6) + theta ) -sin^(2)""((pi)/(6) - theta ) =
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- Evaluate sum(sin (A+B)sin(A-B))/(cos^(2)A cos^(2)B): if non of cos A ,...
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- If tan 69^(@) + tan 66^@ - tan 69^(@) tan66^@=2k , then the value of ...
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- Find the value of tan 100^(@)+tan125^(@)+tan 100^(@). Tan 125^(@).
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- (tan80^(@)-tan10^(@))/(tan70^(@))
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- ((1+Tan33^(@))(1+Tan12^(@)))/((1+Tan18^(@))(1+Tan27^(@)))=
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- If A+B=225^(@) than prove that (cot A)/(1+cotA). (cot B)/(1+cotB)=(1)/...
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- If A+B = 135^(@) then (1-TanA) (1- TanB) =
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- (1-Cot200^(@))(1-Cot25^(@)) =
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- Show that cos 35^(@) + cos 85^(@) + cos 155^(@) = 0
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- Sin40^(@) - Sin80^(@) + Sin160^(@) =
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- Cos 40^(@) + Cos80^(@) + Cos160^(@) + Cos240^(@) =
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- If Tan8A - Tan5A - Tan3A = K Tan8A Tan5A.Tan3A then K =
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- Tan25^(@) . Tan31^(@) + Tan31^(@) . Tan34^(@) + Tan34^(@) . Tan25^(@)=
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- If A+ B+C= pi//2 , " then " tan 2A + tan 2B+ tan 2C=
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- If A and B are acute angles satisfying SinA = Sin^(2) B and 2Cos^(2) A...
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- If tan(pi//4 + theta ) + tan (pi//4 - theta ) =3 , " then " tan^(2)(p...
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