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frnds,help me out. Q. the values of α for which the pt. (α - 1, α + 1) lies in the larger segment of the circle x2 + y2 - x - y - 6 = 0 made by the chord whose eqn is x + y - 2 =0 are options- (A) ( -1,1) (b) [-1,1] (c) [ ...
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Help me frnds. I am struck.the answer requires integral value.but i am gettimg ans in log function. Q. Find (a logbx) if a= 0.2 , b = √5 and x= (1/4 + 1/8 + 1/16+......∞ terms) the options are (A)1 (B)1/2 (C) 2 (D) 4 ...
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Can anyone tell my mistake i am making in the general solution of following equation; I am getting different answers. Solve - 4sin2x + 3cos 2x = 5 My answer- 4(2sinxcosx) + 3 ( 2cos2x - 1) = 5 → 8 sinx cosx + 6 cos2x = 8 ↠...
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help me friends! Find the general solution of following trigonometric equations- 1) solve cos4x + sin4x = 2 cos ( (2x) + (pi/6)) cos ( (2x) - (pi /6)) 2) Solve sin2x + 2tan2x + ((4/ 3 ) tanx) - sinx + (11/12) = 0 3) 2sin (x + ...
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hi frnds, I am confused. i am getting two different answers .help me out. Solve; 4sin(2x) + 3 cos (2x) =5 My solution is: 4(2sinx cos x) + 3 (2cos2x - 1) =5 →8sinx cosx + 6cos2x = 8 Divide both sides by cos2x →8tanx + 6 = ...
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If K= sin (pi/18) sin (5pi/18) sin ( 7pi/18) , then numerical value of K is ...
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Calculate; 1) 4cos20° - 3 cot20° 2) ( 2cos40° - cos20°)/sin 20° ...
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Help me friends.I am not able to solve it. If tan( (pi/4) + y/2) = tan3 ( (pi/4) + x/2), prove that sin(y)/ sin(x) = (3 + sin2x)/ (1+ 3sin2x) ...
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A cubical box of side 2.0 m contains helium gas (M0= 4.0) at a pressure of 100N/m2 and temperature T K. During an observation time of 1s, an atom travelling with the root mean square speed parallel to one of the edges of cube ...
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(1 + tan5°) (1 + tan10°) (1 + tan15°).........( 1 + tan45°) = 2k , then k equals ___ then answer is an integer (0 - 9) ...
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let A denotes the value of expression X4 + 4X3 + 2X2 - 4X + 7 when X= cot11pi/8 and B denotes the value of expression ( 1- cos8y)/ tan24y + (1+cos8y)/ cot24y when y=9° the value of (A-B) is ____ the question is integer type ...
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A certain fictitious gas is found to obey Van der Waals eqn exactly.the volume of gas is changed from Vi= 1000nb to Vf=2000nb. assume that a is small compared to pV2/n2 ,but not negligible. if change in volume occured at cons ...
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A Solution M prepared by mixing 300mL of 0.40M weak monoprotic acid HA (Ka=5.0 x 10-6) and 200mL of 0.5M HCl. if 500mL of 0.28M NaOH is added to solution M,the final pH is the answer is integer type (0-9) solve karo yaron imm ...
