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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
- If the angles of a triangle are 30^0a n d45^0 and the included side is...
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- The number of solutions of equation 6cos2theta+2cos^2(theta/2)+2sin^2t...
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- The circumference of a circle circumscribing an equilateral triangle i...
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- In A B C ,a , ca n dA are given and b1,b2 are two values of the third...
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- Two circles of radii 4cm and 1cm touch each other externally and theta...
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- Which of the following is not the general solution of 2^(cos2x)+1=3. 2...
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- If area of ΔA B C(Δ) and angle C are given and if the side c opposite...
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- Let P Q and R S be tangent at the extremities of the diameter P R of...
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- The number of solutions of 12cos^3x-7cos^2x+4cosx=9 is (a) 0 (b) 2 (...
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- If the sines of the angles A and B of a triangle ABC satisfy the equ...
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- tan(/B A O)=3, then find the ratio B C : C Adot
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- The sum of all the solutions of cottheta=sin2theta(theta!=npi, n inte...
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- In triangle, A B Cif2a^2b^2+2b^2c^2=a^4+b^4+c^4, then angle B is equa...
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- If angle C of triangle ABC is 90^0, then prove that tanA+tanB=(c^2)/(a...
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- The system of equations tanx=acotx ,tan2x=bcosy (a)cannot have a so...
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- The sides of A B C satisfy the equation 2a^2+4b^2+c^2=4a b+2ac Then a...
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- By geometrical interpretation, prove that tan(alpha+beta)=(tanalph...
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- The equation 2sin^3theta+(2lambda-3)sin^2theta-(3lambda+2)sintheta-2la...
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- If sides of triangle A B C are a , ba n dc such that 2b=a+c then b/c >...
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- By geometrical interpretation, prove that (i) sin(alpha+beta)=si...
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