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CENGAGE-TRIGONOMETRIC FUNCTIONS-Solved Examples And Exercises
- Show that tan1^0tan2^0tan89^0=1
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- In triangle ABC, the line joining the circumcenter and incenter is ...
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- The number of solutions of the pair of equations 2sin^2 theta - cos(2 ...
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- Given A=sin^2theta+cos^4theta, then for all real theta, (a)1lt=Alt...
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- If A ,B ,C ,D are angles of a cyclic quadrilateral, then prove that c...
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- The number of distinct real roots of |sinxcosxcosxcosxsinxcosxcosxcosx...
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- If cos(A-B)=3/5a n dt a n At a n B=2, then cos Acos B=1/5 (b) sin ...
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- cos(alpha-beta)=1a n dcos(alpha+beta)=l/e , where alpha,betamu in [-pi...
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- The base B C of A B C is fixed and the vertex A moves, satisfying the...
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- In a right angled triangle, acute angle A and B satisfy tanA+tanB+tan^...
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- Solve sin^2x+cos^2y=2sec^2z for x , y ,a n dzdot
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- If 0<alpha<beta<gamma<pi 2,="" then="" prove="" that="" tanalpha<(sina...
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- Given b=2,c=sqrt(3),/A=30^0 , then inradius of A B C is (sqrt(3)-1)/2...
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- If A,B,C are angles of a triangle, then 2sin(A/2)cosec (B/2)sin(C/2)-s...
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- Solve cos^(50)x-sin^(50)x=1
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- sqrt((1-sintheta)/(1+sintheta))={sectheta-tantheta , if -pi/2ltthetalt...
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- If two sides of a triangle are roots of the equation x^2-7x+8=0 and th...
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- Prove that: (1+sec2theta)(1+sec4theta)(1+sec8theta)(1+sec2^ntheta)=t a...
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- If 3sinx+4cosa x=7 has at least one solution, then find the possible v...
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- Prove that (cos(90^0+theta)sec(-theta)"tan"(180^0-theta))/(sec(360^0-t...
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