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PATHFINDER-TRIGONOMETRIC RATIOS AND IDENTITIES-QUESTION BANK
- Find the general value of theta satisfying both sin theta=(-1/2) and t...
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- find tan 75^@
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- Find the value of tan 13 pi/12
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- Prove that 70^@=tan 20^@+2 tan 50^@
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- if A+B=45^@ find the value of (1+tan A)(1+ tan B)
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- If 0lt betalt alpha lt(pi/4),cos(alpha+beta)=3/5 and cos(alpha-beta)=4...
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- If 2 sin alpha cos beta sin gamma =sin beta sin (alpha +gamma) then pr...
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- if cos(x-y)cosx and cos(x+y) are in H.P then evaluate abs (cos x.secy/...
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- Prove that tan A+2 tn A+4 tan A+8cot 8A=cot A
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- Evaluate : cos12^@cos24^@cos36^@cos48^@cos72^@cos84^@
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- If alpha,beta,gamma are in A.P. show that cot beta=(sin alpha-sin gamm...
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- prove sin alpha+sin(alpha+(2pi)/3)+sin (alpha+(4pi)/3)=0
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- Prove that (cos 7x+cos 5x)/(sin7x-sin 5x)=cotx
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- if tan( (pi)/9),x, tan ((5pi)/18) are in A.P. and tan(pi/9), y,tan ((7...
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- find the value of k which satisfy tan theta +tan(theta+pi/3)+tan (thet...
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- sin^3x.sin3x=underset(mrarr0)(oversetnsumCmcosmx is an identity in x,w...
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- Find sin( (pi)/n)+sin ((3pi)/n)+sin ((5pi)/n)+……..to n terms
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- Find theta if sin theta -cos theta lt0
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- Find A/2 if 2sin (A/2)=sqrt(1+sin A)+sqrt(1-sin A)
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- Find the range of A/2 if it satisfies 2 cos( A/2)=sqrt(1+sin A)-sqrt(1...
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