Answers created by Bdub

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• Prove (sinx/1-cosx)=cscx+cotx ?
  
• How do you prove #sec^2(x)-tan^2(x)=1#?
  
• How do you verify #Tan(theta)csc(theta)= sec(theta)#?
  
• How do you verify #(2tan(x/2)) / (1+tan^2(x/2)) = sin x#?
  
• How do you prove the identity #(sinx - cosx)/(sinx + cosx) = (2sin^2x-1)/(1+2sinxcosx)#?
  
• How do you verify the identity # tan(x/2 + pi/4) = secx + tanx#?
  
• How do you prove #(tanx+cotx)/(secx+cscx)=1/(cosx+sinx)#?
  
• How do you verify the identity #1/(1-tan^2theta)+1/(1-cot^2theta)=1#?
  
• How do you verify the identity #sec^2theta+tan^2theta=sec^4theta-tan^4theta#?
  
• How do you verify that #sin^2x/(cos^4x+cos^2xsin^2x)=tan^2x#?
  
• How do you verify the identify #sectheta/csctheta=tantheta#?
  
• How do you prove #cos^2x(1-sec^2x)=-sin^2x#?
  
• How do you prove that #costheta/(1-sintheta) + costheta/(1+sintheta) = 2 /costheta#?
  
• How do you verify #sin(2pi-theta)=-sintheta#?
  
• How do you prove #sintheta=+-tantheta/(sqrt(1+tan^2theta))#?
  
• How do you prove #(sec(t)+1)(sec(t)-1)=tan^2(t)#?
  
• How do you prove #(1 + tan^2x)/(1-tan^2x) = 1/(cos^2x - sin^2x)#?
  
• How do you verify #sin^4x-cos^4x=1-2cos^2x#?
  
• How do you verify #sinx/(1-cosx) + (1-cosx)/sinx = 2cscx#?
  
• How do you prove #(cosx/(1 + sinx)) + (cosx/(1 - sinx)) = 2secx#?
  
• How do you verify the identity below?
  
• Question #ffd93
  
• Question #58780
  
• How do you solve the triangle given #triangleABC, a=15, b=19, mangleC=60#?
  
• How do you determine the number of possible triangles and find the measure of the three angles given #AB=14, BC=21, mangleC=75#?
  
• How do you determine the number of possible triangles and find the measure of the three angles given #b=12, c=10, mangleB=49#?
  
• How do you determine the number of possible triangles and find the measure of the three angles given #a=9, c=10, mangleC=150#?
  
• How do you determine the number of possible triangles and find the measure of the three angles given #a=8, b=10, mangleA=20#?
  
• Verfiy the identity sinx(cscx + sinxsec^2x)= sec^2 x?
  
• How do you use the quadratic formula to solve #3csc^2theta-2csctheta=2# for #0<=theta<360#?
  
• Question #b5a12
  
• How do you evaluate the expression #cos(u-v)# given #sinu=3/5# with #pi/2<u<p# and #cosv=-5/6# with #pi<v<(3pi)/2#?
  
• How do you convert #r cos(θ) = 9# into cartesian form?
  
• Question #e7954
  
• How do you convert # x=y²-6y+11 # into polar form?
  
• How do you convert #(2,-1)# into polar form?
  
• How do you convert #(0, -5)# into polar form?
  
• How do you convert #(1, pi/4, 2)# into spherical form?
  
• How do you convert #Y=4x^2# into polar form?
  
• How do you convert #x^2+(y-4)^2=16# into polar form?
  
• How do you convert #y^2= 4(x+1)# into polar form?
  
• How do you convert #(theta)=(-7pi)/4# into cartesian form?
  
• How do you find rectangular coordinates for the point with polar coordinates (4, 4pi/3)?
  
• How do you convert (1, -4) into polar coordinates?
  
• The rectangular coordinates of a point are given #(4, -4sqrt3)#, how do you find polar coordinates of the point?
  
• How do you find the polar coordinate of the following point (-3, -2)?
  
• How do you convert the cartesian coordinate (2, -4) into polar coordinates?
  
• What is the projection of #< 5 , -6, 0 ># onto #< -1, -4 , 6 >#?
  
• Question #16fc9
  
• Prove this ?
  
• Question #d44e3
  
• Question #cf941
  
• Question #1d7ab
  
• How do you find the solution to #2costheta-1=0# if #0<=theta<360#?
  
• Question #9f5c3
  
• Question #2d38d
  
• Question #42ded
  
• How do you verify the identity #(tan^3alpha-1)/(tanalpha-1)=tan^2alpha+tanalpha+1#?
  
• How do you verify the identity #csc^4theta-cot^4theta=2csc^2theta-1#?
  
• How do you verify the identity #(tanx+tany)/(1-tanxtany)=(cotx+coty)/(cotxcoty-1)#?
  
• Question #40bb3
  
• Question #e4ae3
  
• How do you differentiate #log_3(9x^2sin(9x^2) ) #?
  
• How do you differentiate #log(8x-1)#?
  
• What is the derivative of #log_10((x^2-1)/x)#?
  
• What is the derivative of #log_3((xsqrt(x-1))/2)#?
  
• How do you find the derivative of #y = log_3 [(x+1/x-1)^ln3]#?
  
• What is the derivative of #y=log_10(2x)#?
  
• How do you find the derivative of #ln[sqrt(2+x^2)/(2-x^2)]#?
  
• How do you differentiate #y=(x/e^x)Lnx#?
  
• How do you find the derivative of #f(x)=3e^2-7log_10x#?
  
• How do you find the derivative of #f(x)=ln(x^5(x-2)^3)#?
  
• How do you find the derivatives of #y=(3x-2)/(4x+3)# by logarithmic differentiation?
  
• Find the derivative of the following function using logarithmic differentiation?
  
• Question #1eff0
  
• How do you simplify #1-sin^2(pi/2-x)#?
  
• How do you factor and simplify #1000-cos^3u#?
  
• How do you express #sin^2 theta - sin theta + csc^2 theta # in terms of #cos theta #?
  
• How do you solve the equation #3csc^2x=4#?
  
• Solve the equation #2sin3x+sqrt3=0#?
  
• Question #246a9
  
• How do you simplify #Cos [tan^-1(-1) + cos^-1(-4/5)]#?
  
• How do you find the exact value of #tan(cos^-1 (1/2))#?
  
• Question #c4d83
  
• How do you use the sum to product formulas to write the sum or difference #sin60^circ+sin30^circ# as a product?
  
• How do you express #f(theta)=-cos^2(theta)-7sec^2(theta)-5sec^4theta# in terms of non-exponential trigonometric functions?
  
• How do you condense #1/4log_3a+5log_3b-log_3c#?
  
• How do you use the properties of logarithms to expand #log_3 (10z)#?
  
• How do you use the properties of logarithms to expand #lnsqrt(x^2(x+2))#?
  
• Question #32c44
  
• How do you use the properties of logarithms to expand #log_5 (5/x)#?
  
• Question #68cf7
  
• Question #cf786
  
• Question #348ea
  
• Question #a9ac6
  
• Question #63bfa
  
• Question #7987e
  
• Question #eabbb
  
• Question #45574
  
• Question #7facb
  
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