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CALCUTTA BOOK HOUSE-TRIGONOMETRIC RATIOS AND TRIGONOMETRIC IDENTITIES -EXERCISE
- If tan 42^(@) =0.9, then find the value of cot 492^(@).
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- If tan theta=(p)/(q), what is the value of (p sec theta-q " cosec" t...
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- In DeltaABC, right angled at B, AB:AC=1:sqrt(2), then (2 tan A)/(1-ta...
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- (sin30^(@)cos45^(@))/(tan 60^(@)) is equal to
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- In DeltaABC, If angleC=90^(@), angleA=60^(@) and AB=40 cm, then AC is ...
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- Write true of false : cot theta=(cos theta)/(sin theta)
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- Write true of false : sin theta is a product of sin and theta.
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- Fill in the blanks : The trigonometric ratio cos theta= ul(" ...
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- Fill in the blanks : The value of sin theta can never be greate th...
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- Fill in the blanks : The value of cot 0^(@) is not .
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- Find the value of cos(-1170^(@)).
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- Calculate the value of sec(-1680^(@)) sin 330^(@).
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- Simplify : sin 300^(@) cos 390^(@) tan (-855^(@))+cos(-120^(@))* sin ...
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- Prove that tan 225^(@) cot 405^(@)+tan 765^(@) cot 675^(@)=0.
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- Evalute : "sin"^(2)(pi)/(4) + "cos"^(2) (3pi)/(4)+"cos"^(2)(5pi)/(4)...
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- Prove that "tan"(pi)/(12) "tan"(pi)/(16) "tan"(5pi)/(12)"tan"(7pi)/(1...
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- If tan 35^(@)=x, then prove that (tan 145^(@)- tan 125^(@))/(1+tan14...
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- Find the value of sin^(3)60^(@) cot 30^(@)-2 sec^(2) 45^(@)+3 cos60^(@...
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- If (cos theta)/(1-sin theta)-(costheta)/(1+sin theta)=2, then find the...
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- If (cos x)/(cosy)=n and (sinx)/(siny)=m, what is the value of (m^(2)...
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- If x cos 60^(@)+y cos0^(@)=3 and 4x sin 30^(@) -y cot 45^(@)=2, then ...
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