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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
- If cos(A+B+C)=cosAcosBcosC , then find the value of (8sin(B+C)sin(C+A)...
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- In the given figure, what is the radius of the inscribed circle? 3/2 ...
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- Solve tan3theta=-1
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- If sinA=sin^2Ba n d2cos^2A=3cos^2B then the triangle A B C is right...
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- In triangle A B C , if cotA *cotC=1/2a n dcot B* cotC=1/(18), then t...
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- If in a triangle A B C ,(1+cosA)/a+(1+cosB)/b+(1+cosC)/c =(k^2(1+cosA...
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- Solve tantheta+tan2theta+sqrt(3)tanthetatan2theta=sqrt(3)
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- The product of the sines of the angles of a triangle is p and the prod...
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- If (sinx)/a=(cosx)/b=(tanx)/c=k , then b c+1/(c k)+(a k)/(1+b k) is eq...
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- In A B C ,a=5,b=12 ,c=90^0a n dD is a point on A B so that /B C D=45^...
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- Solve tan5theta=cot2theta
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- If x+y+z=pi/2, then prove that |[sinx,siny,sinz],[cosx,cosy,cosz],[c...
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- In a right-angled isosceles triangle, the ratio of the circumradius an...
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- If sinx+cos e cx=2, then sin^n x+cos e c^n x is equal to
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- Solve 2sin^(2)x-5sinxcosx-8cos^2x=-2
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- Prove that: sin10^0sin30^0sin50^0sin70^0=1/(16)dot
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- In A B C ,(sinA(a-bcosC))/(sinC(c-bcosA) =
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- If sinx+sin y+sinz+sinw=-4, then the value of sin^(400)x+sin^(300)y+si...
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- Prove that cos20^0cos40^0cos60^0cos80^0=1/(16)dot
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- Find common roots of the equations 2sin^2x+sin^2 2x=2a n dsin2x+cos2x=...
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