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In the given figure, what is the radius ...

In the given figure, what is the radius of the inscribed circle? `3/2` (b) `5/2` (c) `7/5` (d) none of these

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CENGAGE ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
  1. If sec^4theta+sec^2theta=10+tan^4theta+tan^2theta, then sin^2theta= 2...

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  2. If cos(A+B+C)=cosAcosBcosC , then find the value of (8sin(B+C)sin(C+A)...

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  3. In the given figure, what is the radius of the inscribed circle? 3/2 ...

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  4. Solve tan3theta=-1

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  5. If sinA=sin^2Ba n d2cos^2A=3cos^2B then the triangle A B C is right...

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  6. In triangle A B C , if cotA *cotC=1/2a n dcot B* cotC=1/(18), then t...

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  7. If in a triangle A B C ,(1+cosA)/a+(1+cosB)/b+(1+cosC)/c =(k^2(1+cosA...

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  8. Solve tantheta+tan2theta+sqrt(3)tanthetatan2theta=sqrt(3)

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  9. The product of the sines of the angles of a triangle is p and the prod...

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  10. 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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  11. 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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  12. Solve tan5theta=cot2theta

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  13. If x+y+z=pi/2, then prove that |[sinx,siny,sinz],[cosx,cosy,cosz],[c...

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  14. In a right-angled isosceles triangle, the ratio of the circumradius an...

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  15. If sinx+cos e cx=2, then sin^n x+cos e c^n x is equal to 2 (b) 2^n ...

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  16. Solve 2sin^(2)x-5sinxcosx-8cos^2x=-2

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  17. Prove that: sin10^0sin30^0sin50^0sin70^0=1/(16)dot

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  18. In A B C ,(sinA(a-bcosC))/(sinC(c-bcosA) = (a) -2 (b) -1 (c) 0 (d...

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  19. If sinx+sin y+sinz+sinw=-4, then the value of sin^(400)x+sin^(300)y+s...

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  20. Prove that cos20^0cos40^0cos60^0cos80^0=1/(16)dot

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