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AAKASH SERIES-COMPOUND ANGLES-EXERCISE - 2.1 ( VERY SHORT ANSWER QUESTIONS)
- Find Tan ((pi)/(4) + A) in terms of Tan A
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- Find Cot ((pi)/(4) + A) in terms of Cot A
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- Prove that sin ^(2) theta + sin ^(2) (theta+(pi)/(3))+ sin ^(2) (theta...
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- Prove that (cos9^(@)+sin9^(@))/(cos9^(@)-sin9^(@))=cot36^(@)
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- If tan theta = (cos 11^(@)+sin11^(@))/(cos11^(@)-sin11^(@)) and theta ...
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- Prove that tan70^(@)-tan20^(@)=2tan50^(@).
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- Find tan 20^(@) + tan40^(@) + sqrt(3)tan20^(@)tan40^(@).
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- Find the value of Tan10^(@) + Tan35^(@) + Tan10^(@).Tan35^(@).
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- Find the value of tan56^(@)-tan11^(@)-tan56^(@).tan11^(@).
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- Prove that Tan(theta + 135^(@)) Tan(theta-135^(@)) = - 1
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- Show that cos 35^(@) + cos 85^(@) + cos 155^(@) = 0
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- Prove that tan72^(@)=tan18^(@)+2tan54^(@).
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- Show that sin 750 ^(@) cos 480^(@) + cos 120 ^(@) cos 60 ^(@)=-1/2
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- Find the value of sin^(2) 45^(@) - sin^(2) 15^(@)
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- Find the value of sin^(2)82 1/2-sin^(2)22 1/2.
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- Find the value of cos^(2)45^(@)-sin^(2)15^(@)
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- Find the value of cos^(2)52(1^@)/(2) - sin^(2)22 (1^@)/2
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- Find the value of cos^(2)112^((1^(0))/(2))-sin^(2)52^((1^(0))/(2)) ...
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- Expand the following Sin(A + B+C)
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- Expand the following Cos(A-B-C)
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