Questions asked by M.

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• Find the sum of the three smallest positive values of θ such that 4 cos^2(20-π)=3?
  
• For how many values of n with 0≤ n≤ 100 is graph of f(x)=sin(x+n) identical to the graph of g(x)=cox x?
  
• Let #f(x)=arctanx+"arccot"x#. find #f(0)+f(1)+f(sqrt 2)+ f(sqrt3)#?
  
• Find in radian measure of arctan(1/2)+arctan(1/3)?
  
• The sum of the three smallest positive values of theta such that # 4(costheta)(sintheta) = 1" is "k*pi.# Find k?
  
• 1 The sum of the three smallest positive values of theta such that 4(cos*theta)(sin*theta) = 1 is k*pi. Find k?
  
• If Jane walks north for 3 miles, turns 45∘ to the right, and then walks another 4miles, how many miles will Jane be from her starting point? Give your answer as a decimal rounded to the nearest hundredth.
  
• At what point does the graph of the parametric equations x=3-2t y=-2+5t intersect the graph of the parametric equations x=-1+3s y=5-9s? The answer is the point of intersection(x,y).
  
• The graph of r=-5/2cos theta+sin theta is a line. Find the y-intercept of this line?
  
• The spherical coordinates of (-3, 4,-12) are (ρ,ϴ,Φ). Find tanϴ+tanΦ ?