Answers created by Manikandan S.

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• 120degree is alarge angle so the triangle qith an angle 120degree ,i mean how we can find perpendicular for that triangle?
  
• Verify this is an identity? #2 sin^2 (u/2)=sin^2u/(1+cosu)#
  
• Write sec theta - tan theta sin theta in terms of sin theta and cos theta; then simplify if possible. (Leave your answer in terms of sin theta and/or cos theta)? See details for the problem
  
• Represent all the trigonometric ratios as positive and negative in the 4 quadrants?
  
• What is equivalent to 2sin(2x) / (1+cos(2x))(1-tan^2x) using double angle formulas?
  
• How do you solve 2sin^3X-sin^2X-2SinX+1=0? I don't get how you get the 270.
  
• Which one is the correct one??
  
• Question #167f2
  
• How do you solve #8n ^ { 2} + 56n = - 48#?
  
• Question #88d71
  
• Question #1d344
  
• Why is #1-cos^3x=(1-cosx)(1-2cosx+cos^2x)# a conditional equation?
  
• How do you solve the following linear system: # x-2y+z=-14, y-2z=7, 2x+3y-z=-1 #?
  
• Question #07672
  
• How can i find x?
  
• Question #ac9a0
  
• How do you evaluate #(\frac{1}{x^{2}+1}-\frac{2-x}{x+1})/(\frac{1}{x}+x-2)#?
  
• How do you graph #Y= 3(x - 2)^2 + 5#?
  
• Question #73167
  
• How do you evaluate #\int \frac { 1} { \csc x - 1} d x#?
  
• How do you solve #x^2 – 12x + 32 <12#?
  
• Question #375bd
  
• Question #9133b
  
• How do you evaluate #(8x - 4x ^ { 2} + 8) + ( 5+ 5x ^ { 2} + 5x ) - ( 8+ 7x - 6x ^ { 2} )#?
  
• How do you solve #x^ { 2} - 16x = 24#?
  
• How to calculate derivative? #(7x-1)^3(2x+1)^2#
  
• How do you use the chain rule to differentiate #y=root5(x^2-3)/(-x-5)#?
  
• Question #49555
  
• Question #09f05
  
• How do you differentiate #f(x)=xe^xcscx#?
  
• Question #de1a0
  
• Question #efa64
  
• How do you solve the system of equations by graphing and then classify the system as consistent or inconsistent #y= 9/8x+5# and #y= -4#?
  
• How solve complicated logarithm?
  
• How do you simplify #6( 3p + 7) \geq 7( 4p + 4) - 8p#?
  
• Question #8d484
  
• What is the correct way to solve this? Explain in steps. Thank you.
  
• Question #a2a3e
  
• Given the difference between the roots of the quadratic equation #x^2#+ #6x# + h - 3 = 0 is 4, where h is a constant. Find the value of h?
  
• How do you graph #y = 1 + |x-1|#?
  
• Which of the following should occur when placing a certain amount of tetraphosphorus solid in the same container as dihydrogen gas, if #"8.0 mols"# of #"H"_2(g)# are present?
  
• How do you solve #x^4+3x^3-28x^2+13x+42 = 0# ?
  
• Why is this wrong when I solve for finding the inverse of the matrix by using gauss jordan elimination?
  
• Question #16f9b
  
• Question #f23eb
  
• Question #cecb0
  
• How do you multiply #(5x+9)(2x-3)#?
  
• Question #caf8c
  
• How do you simplify #\frac { 2a ^ { 2} ( a ^ { - 3} ) ^ { 6} } { ( a ^ { - 1} ) ^ { - 2} }#?
  
• How do you solve #(2x+3)(x+4)=1 # for x using the square root property?
  
• Question #d62d3
  
• Question #0f31b
  
• What kind of changes (chemical or physical) do chefs use make to food?
  
• Question #01551
  
• Question #50ade
  
• I live in France where you can buy wine in bulk. I normally buy wine by the litre. I went to a place which sold it by the kilogram. I completely filled my 5 litre container with white wine and it weighed 4.85kg. Why is wine less dense than water?
  
• How do you solve #x+2/3=7/8#?
  
• Question #842f0
  
• Question #2262f
  
• Why is benzene separated from water using a separatory funnel?
  
• How do you evaluate #2\sqrt { 15} ( 3+ \sqrt { 5} )?#
  
• Question #87509
  
• What is the derivative of #y=(lnx)^(cosx)#?
  
• Question #01a4e
  
• How do you evaluate #int arcsin(x) / x^2 dx# from 1/2 to 1?
  
• How do you solve #2cot^4x-cot^2x-15=0#?
  
• How do you find the remaining side of a #30^circ-60^circ-90^circ# triangle if the side opposite #60^circ# is 6?
  
• What is the derivative of # arctan sqrt(x^2 -1)#?
  
• Question #c9225
  
• Question #c0f6a
  
• Water vapor is water as a: solid, liquid, or gas?
  
• 67 is 13% of what?
  
• Question #96fc8
  
• How do you use the product rule to differentiate #sqrt(1+3x^2 )lnx^2#?
  
• The standard form of the equation of a parabola is #x=y^2-4y+20#. What is the vertex form of the equation?
  
• How do you simplify # 2 times (3-5) + 6#?
  
• Given #f(x) = x^4+ax^3+bx^2+cx+d# with #f(1) = 1#, #f(2) = 5#, #f(3) = 19# and #f(6) = 665#, what is the value of #f(4)+f(5)# ?
  
• What is the equation of the line through the point #(-2,8)# with slope #1/2#?
  
• How do you solve # logx + log(x + 15) = 2#?
  
• How do you find the inverse of #y=log_7 49^x#?
  
• How do you graph and solve # | 5 x - 1 | <16#?
  
• Question #ecbec
  
• Question #45702
  
• How do you factor #-x^2y^2 + x^4 + 4y^2 - 4x^2 #?
  
• Suppose a log's mass is 5 kg. After burning, the mass of the ash is 1 kg. What may have happened to the other 4 kg?
  
• What are the data analysis tools used for?
  
• What occurs when the vapor pressure of a liquid is equal to the atmospheric pressure?
  
• Question #864f0
  
• How do you differentiate #f(x)=e^tan(1/x^2) # using the chain rule?
  
• How do you write the partial fraction decomposition of the rational expression #5 / (x^2 + x - 6)#?
  
• How do you solve rational equations #2/(3x+1) = 1/x - (6x)/(3x+1)#?
  
• How do solve the following linear system?: # 3x + 2y = 12, 3x - y = -6 #?
  
• Question #cf0cb
  
• How do you find the derivative of #y = (3x + 1)^2#?
  
• How do you divide #(t^5 - 3t^2 - 20)# by #t-2#?
  
• How do you graph #f(x)=1/2x^2 +2x - 8#?
  
• How do we know which ions each element forms? And how do assign charges in complex ions?
  
• Can metals be in a gaseous state?
  
• Question #6b829
  
• How do you find the derivative of Inverse trig function #y= sec^-1 (sqrt(1-x))#?
  
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