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(a+2)sinalpha+(2a-1)cosalpha=(2a+1)iftan...

`(a+2)sinalpha+(2a-1)cosalpha=(2a+1)iftanalpha"i s"` (a) `3/4` (b) `4/3` (c) `2a(a^2+1)` (d) `(2a)/(a^2-1)`

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4 1/3-2 1/3= (a) 2 1/3 (b) 2 (c) 3 1/3 (d) 1/2

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The lines ax + by + c = 0, where 3a + 2b + 4c= 0, are concurrent at the point (a) (1/2 ,3/4) (b) (1,3) (c) (3,1) (d) (3/4 ,1/2)

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CENGAGE ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
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  2. Prove that (r+r1)tan((B-C)/2)+(r+r2)tan((C-A)/2)+(r+r3)tan((A-B)/2)=0

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  4. If x , y in [0,2pi]a n dsinx+siny=2, then the value of x+y is pi (b) ...

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  10. If sintheta1+sintheta2+sintheta3=3, then costheta1+costheta2+costheta...

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  11. Number of integral values of a for which the equation cos^2x-sinx+a=0 ...

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  12. It cos(alpha+beta)=4/5,sin(alpha-beta)=5/(13)a n dalpha,beta lie betwe...

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  13. A circle of radius 4cm is inscribed in A B C , which touches the side...

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  14. If sin^2theta=(x^2+y^2+1)/(2x) , then x must be -3 (b) -2 (c) 1...

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