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MODERN PUBLICATION-TRIGONOMETRY-Exerise
- (tanA+secA-1)/(tanA-secA+1)=(1+sinA)/(cosA)
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- If (2sinalpha)/({1+cos alpha+sin alpha})=y, then ({1-cos alpha+sin alp...
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- Prove that costhetacos((theta)/(2))-cos3thetacos((9theta)/(2))="sin...
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- Find the value of tan 22^(@)30’
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- If tan theta+sin theta=m and tan theta-sin theta=n.
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- If (sin(x+y))/(sin(x-y))=(a+b)/(a-b) , show that (tanx)/(tany)=a/b .
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- Find the general values of theta which satisfies the equation tan th...
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- If sin(theta+alpha)=aa n dsin(theta+beta)=b , prove that cos2(alpha-be...
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- If acos2theta+bsin2theta=c has alpha and beta as its roots, then prov...
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- cos^4(pi/8)+cos^4((3pi)/8)+cos^4((5pi)/8)+cos^4((7pi)/8)=
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- Find the general solution of the equation (sqrt(3)-1)costheta+(sqrt(3)...
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