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CENGAGE ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
- Prove that tan70^0=2tan50^0+tan20^0
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- Show that the equation sintheta=x+1/x is not possible if x is real.
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- Solve: 2sin^2x+sin^2 2x=2
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- In a triangle PQR, P is the largest angle and cosP=1/3. Further the in...
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- The upper 3/4 th portion of a vertical pole subtends an angle theta su...
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- Solve (log)(tanx)(2+4cos^2x)=2
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- If f(x)=cos^2x+s e c^2x ,t h e n f(x)<1 (b) f(x)=1 (c) 2ltf(...
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- prove that sintheta.sec3theta+sin3theta.sec3^2theta+sin3^2theta.sec3^3...
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- Solve 4cot2theta=cot^2theta-tan^2theta
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- Find the range of f(x)=sin^2x-3sinx+2
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- Prove that (cos10^0+sin10^0)/(cos10^0-sin 10^0)=tan55^0
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- Find the range of f(x)=1/(4cosx-3)dot
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- Find the most general solution of 2^1|cosx|+cos^2x+|cosx|^(3+oo)=4
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- Let A B Ca n dA B C ' be two non-congruent triangles with sides A B=4,...
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- If in triangle A B C ,/C=45^0 then find the range of the values of sin...
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- Solve sqrt(3)costheta+sintheta=sqrt(2)
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- Find the range of f(x)=1/(5sinx-6)
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- Two parallel chords of a circle of radius 2 are at a distance. sqrt(3+...
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- Prove that: sum(k=1)^(100)sin(k x)cos(101-k)x=50"sin"(101 x)
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- The expression 3[sin^4(3/2pi-alpha)+sin^4(3pi+alpha)]-2[sin^6(1/2pi+al...
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