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- The number of solutions of the equation (secx)/(1-cosx)=1/(1-cosx) ...
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- The number of solutions of equation 2+7tan^2theta=3. 25sec^2theta(0...
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- the number of solution of the equation tan^2x-sec^(10)x+1=0 in (0,10) ...
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- If (costheta+cos2theta)^3=cos^3theta+cos^3 2theta, then the least p...
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- The number of solution(s) of sin2x+cos4x=2 in the interval (0,\ 2pi...
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- The complete solution of the equation 7cos^2x+sinxcosx-3=0 is given by...
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- If cos(sinx)=0, then x lies in (a) (pi/4,pi/2)uu(pi/2,\ pi) (b) (-pi/4...
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- If 0lt=alpha,betalt=90^@ and tan(alpha+beta)=3 and tan(alpha-beta)=2 t...
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- If tanA\ "and" \ tanB are the roots of x^2-2x-1=0, then sin^2(A+B) is ...
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- If cos2x-3cosx+1=(cos e c\ x)/(cotx-cot2x),\ then which of the foll...
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- The solutions of the equation sinx+2sin2x+sin3x=cosx+3cos2x+cos3x in t...
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- If x in [-(5pi)/2,(5pi)/2], then the greatest positive solution of 1+s...
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- Number of values of 'x'in(-2pi,2pi) satisfying the equation 2^(sin^2)...
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- General solution for |sinx|=cosx is (a) 2npi+pi/4,\ n in I (b) 2npi+-...
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- The most general value for which tantheta=-1costheta=1/(sqrt(2))i s(n ...
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- If cos^2x+cos^2 2x+cos^2 3x=1 then (a) x=(2n+1)pi/4,\ n in I (b) x=(2...
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- If 4\ cos^2theta+sqrt(3)=2(sqrt(3)+1)costheta, then theta is (a) 2npi+...
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- Set of values of 'alpha' in [0,\ 2pi] for which m=(log)(("x"+1/"x"))(2...
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- (a+2)sinalpha+(2a-1)cosalpha=(2a+1)iftanalpha"i s" 3/4 (b) 4/3 (c) ...
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- The number of solution(s) of the equation cos2theta=(sqrt(2)+1)(cos...
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