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If tan x + tan 2x+tan 3x=tan x tan 2x ta...

If `tan x + tan 2x+tan 3x=tan x tan 2x tan 3x` then `|sin 3x+cos 3x|`

A

0

B

1

C

`-1`

D

2

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AAKASH SERIES-COMPOUND ANGLES-LECTURE SHEET (EXERCISE - I)
  1. IF alpha+beta=pi/2 and gamma+beta=alpha then find tan alpha.

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  2. If (sin x)/(sin y)=(1)/(2), (cos x)/(cos y)=(3)/(2), where x,y in (0,(...

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  3. If tan x + tan 2x+tan 3x=tan x tan 2x tan 3x then |sin 3x+cos 3x|

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  4. If theta is eliminated from the equations x=a cos(theta-alpha) and y=b...

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  5. Let x=sin1^(@), then the value of the expression (1)/(cos 0^(@).cos 1^...

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  6. If cos(theta - alpha)=a, cos(theta-beta)=b, then sin^(2)(alpha -beta) ...

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  7. (sqrt(2)-sin alpha - cos alpha)/(sin alpha - cos alpha) is equal to

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  8. If U(n) = sin n theta.sec^(n)theta, V(n)=cosnthetasec^(n)theta for n=0...

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  9. Find the value of the expression sqrt3 cosec 20^@-sec20^@=…….

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  10. If A and B are acute positive angles satisfying the equations 3sin^(2)...

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  11. If theta=3alpha and sin theta =(a)/(sqrt(a^(2)+beta^(2))),, the value ...

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  12. If sqrt(2)cos A = cos B + cos^(3)B, and sqrt(2)sin A = sin B- sin^(3)B...

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  13. If sin theta(1)sin theta(2)-cos theta(1)cos theta(2)+1=0, then the val...

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  14. Given both theta and phi are acute angles and sin theta = (1)/(2), cos...

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  15. If tan(alpha-beta)=(sin 2beta)/(3-cos2beta), then

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  16. If tan alpha = (1)/(sqrt(x(x^(2)+x+1))), tan beta = (sqrt(x))/(sqrt(x^...

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  17. If A gt 0, B gt 0 and A+B=(pi)/(3), then the maximum value of tan A ta...

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  18. In a triangle PQR angle R=pi //2 if tan (p//2) and tan ( Q//2)...

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  19. If tan alpha, tan beta are the roots of the equation x^(2)+px+q=0 the...

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  20. If sec theta + tan theta=1, then root of the equation (a-2b+c)x^(2) + ...

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