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. Statement 1: Ifx y+y z+z y=1,w h e r e...

. Statement 1: `Ifx y+y z+z y=1,w h e r ex , y , z in R^+` , then `x/(1+x^2)+y/(1+y^2)+z/(1+z^2)=2/(sqrt((1+x^2)(1+y^2)(1+z^2)))` Statement 2: In a triangle `A B C ,sin2A+sin2B+sin2C=4sinAsinBsinCdot`

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CENGAGE ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
  1. Find the value of (cot25^0+cot55^0)/(tan25^0+tan55^0)+(cot55^0+cot100...

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  2. If tanx+tan2x+tan3x=tanxtan2xtan3x then value of |sin3x+cos3x| is

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  3. 16(costheta-cos(pi/8))(costheta-cos((3pi)/8))(costheta-cos((5pi)/8))(c...

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  4. Let 0lt=a , b , c ,dlt=pi, where b and c are not complementary, such...

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  5. The maximum value of the expression 1/(sin^2theta+3sinthetacostheta+5c...

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  6. (sec2x-tan2x) equals a) tan(x-pi/4) b)tan(pi/4-x) c)cot(x-pi...

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  7. Prove that cos65^0+cos115^0=0

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  8. If sinA=sinBa n dcosA=cosB , then prove that sin(A-B)/2=0

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  9. Each question has four choices a,b,c and d out of which only one is...

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  10. Each question has four choices a,b,c and d out of which only one is ...

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  11. Each question has four choices a,b,c and d out of which only one is ...

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  12. Each question has four choices a,b,c and d out of which only one is ...

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  13. Each question has four choices, a,b,c and d, out of which only one is ...

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  14. Each question has four choices a,b,c and d out of which only one is...

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  15. Each question has four choices a,b,c and d out of which only one is...

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  16. Each question has four choices a,b,c and d out of which only one is...

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  17. Each question has four choices a,b,c and d out of which only one is...

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  18. Each question has four choices a,b,c and d out of which only one is...

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  19. . Statement 1: Ifx y+y z+z y=1,w h e r ex , y , z in R^+ , then x/(1...

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  20. Each question has four choices a,b,c and d out of which only one is...

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