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MAHAVEER PUBLICATION-TRIGONOMETRIC RATIOS-QUESTION BANK
- Prove that cos^6 theta-sin^6theta=cos2theta(1-1/4 sin^2 2 theta)
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- Evaluate tan15^@
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- Find the value of sin18^@
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- Find the principal solution of the equation tan x=sqrt3
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- Find the principal solution of the equation cos x=-1/2
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- Solve sin 2x+cos x=0
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- sec^(2)2x=1-tan2x
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- Solve for theta,2 cos^2 theta+sin theta-1=0,0 le theta le pi/2
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- Convert the following radian into degree measure(4pi)/5
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- Convert the following radian into degree measure(7pi)/6
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- Convert the following radian into degree measure(5pi)/3
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- If sin theta = 5/7 what is cos theta and tan theta?
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- If cos theta= 3/5 what is tan theta and cos ectheta?
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- If tan theta= 5/4 what is sin theta and cos theta?
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- If cos theta=-4/5, find the value of cot theta?
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- Given tan theta=-3/4 and (3pi)/2 lt theta lt 2pi, find the other trigo...
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- If tan (A+B)=p, tan(A-B)=q find tan 2A.
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- If tantheta=a/b , show that (asintheta-bcostheta)/(asintheta+bcostheta...
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- Evaluate the following: sin 78^@ cos 18^@-cos 78^@ sin 18^@
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- Evaluate the following: cos 47^@ cos 13^@-sin 47^@ sin 13^@
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