Answers created by Ayush S.

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• How do you evaluate the expression #cot(-180)#?
  
• What is the area of the figure?
  
• How do you convert #2=(8x-7y)^2-7x# into polar form?
  
• What is the vertex of # y=x^2/7-7x+1 #?
  
• Let there be spherically symmetric charge distribution with charge density P(x)=Pₒ[(5/4)-(r/R)] up-to r=R, P(r)=0 for r≻R. Where 'r'is the distance from origin. What is the electric field at a distance 'r' (r≻R) form the origin?
  
• Can you solve this ?
  
• How would I solve cos x * cos 2x=0 ?
  
• What is ∫ e^x(1/x - 1/x^2) =?
  
• How do you find period, amplitude, phase shift and midline of #f(x) = −4 sin(2x + π) − 5#?
  
• How do you graph #y= (cosx)/x#?
  
• How do I solve #(2sqrt2-2)cosalpha=3sin^2alpha+sqrt2-4#?
  
• The sine function undergoes a vertical translation of 4 units down and a phase shift of 45 degrees to the right. what is the equation of the resulting function?
  
• Find the dimension of the box that will minimize the total cost. Find the minimum total cost ?
  
• How do you evaluate #\int \sqrt { x ^ { 3} } \cdot d x#?
  
• How do you evaluate #\frac { 2} { 5} \div \frac { 3} { 4} #?
  
• How do you differentiate #f(x)=(x^2+sinx)(x-cosx)# using the product rule?
  
• Prove that d/dx ( 1 + sinx + cosx/ 1 - sinx + cosx) = secx ( secx + tanx) ??
  
• How do you find the Limit of h ln h as h approaches 0+?
  
• If a polygon has 24 sides, how many diagonals are there from each vertex? How many diagonals are there in all?
  
• Sin^2(x)−3sin(x) = −1...how do i find all solutions?
  
• How do you find intercepts, extrema, points of inflections, asymptotes and graph #y=2-x-x^3#?
  
• After 42 days a 2.0 g sample of phosphorus-32 contains only 0.25 g of the isotope. What is the half-life of phosphorus-32?
  
• What is the equation of this curve with P given? The difference of the distance between P(x,y) and the points (-2,1) and (8,1) is 6.