Answers created by Dharma R.

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• Question #68ce1
  
• Question #68ce1
  
• How do you find the derivative of #y=10tan(20x)#?
  
• Given the first and last term, a = 6, t9 = 24, how do you find the sum of the arithmetic series?
  
• Why does wave refraction occur?
  
• How would you define entropy of a system?
  
• What is electromagnetic energy that reaches Earth from the sun called?
  
• How do you find the exact value of tan270°?
  
• How do you find the derivative of #y= (sin^2(x)) / (1-cos(x))#?
  
• How do you find the derivative of # ( cos (x) ) / ( 2 + sin (x) )#?
  
• How do you find the slope of the tangent line to the curve #xy^3 + xy = 4# at the point (2,1)? Thank you! I really, really, appreciate your help:)?
  
• How to make a substitution and then use integration by parts to evaluate the integral.∫ e^(cost) sin2t dt ?
  
• How do you find the inverse of #f(x)=(3x-2)/(x+7)#?
  
• How do you find the value for #csc (Tan^-1 (4/5))#?
  
• How do you find f'(x) using the definition of a derivative for #f(x)=(1-6t)/(5+t)#?
  
• How do you find the 6 trigonometric functions for 180 degrees?
  
• How do you find the integral of #int dx/(e^x +e^-x)# from negative infinity to infinity?
  
• How do you find the integral of # (x^2)(e^(-x))#?
  
• Question #da912
  
• How do you find the value for #cos^ -1 (- sqrt 3/2)#?
  
• How was the O-zone formed and why is it important for life on earth?
  
• What happens after Sun burns all of its Helium to Carbon in its RedGiant state?
  
• How do you use the Product Rule to find the derivative of #f(x)=cot(x)cos(x)#?
  
• How do you use the half-angle identity to find the exact value of cos(-pi/12)?
  
• How do you find the exact functional value tan 165 using the cosine sum or difference identity?
  
• How do you graph #f(x) =-3abs(x+2)+2#?
  
• How do you evaluate #arccos(sin((3*pi)/2))#?
  
• Question #64e5b
  
• How do you simplify #csc x - csc x cos^2x#?
  
• Question #722ff
  
• What is square root of 0.003 + cube root of 0.000125?
  
• How do you evaluate #int x^2 + x + 4dx# for [0, 2]?
  
• How do I find the value of tan 5pi / 6?
  
• How do you simplify #sqrt18 ÷ sqrt8 - 3#?
  
• How do you find the indefinite integral of #int ( (sin(x))^2 - (cos(x))^2 ) / (sin(x))#?
  
• How do you find the integral of #int (1/(1+x^2) ) dx# from negative infinity to 0?
  
• How do you find the integral of #int 1/ (x-2)^2 dx # from 0 to infinity?
  
• What is 89 Fahrenheit in Celsius?
  
• A square has an area of 196 cm2, what is the perimeter of the square?
  
• What is the difference between identifying a parabola, ellipse, hyperbola, and a circle?
  
• Question #5b00f
  
• How do you evaluate #int (x^2-1)/( x+1) dx# for [1, 2]?
  
• How do you evaluate #int sqrt (1-x^2) dx # for [-1, 1]?
  
• Question #3afe4
  
• Question #886d5
  
• Do all the halogens show the same reactivity with methane?
  
• How do you find the integral of #int 1/(1 + csc(x))#?
  
• How do you find the integral of #int 1/(1 + cos(x))#?
  
• How do you simplify #tan^2x( 1 + cot^2x)#?
  
• How does crystal structure determine mineral cleavage?
  
• How do you find the derivative of #(3x+1)^(3/2) (2x+4)#?
  
• How do you integrate #int x/sqrt(x^2+9)dx#?
  
• What is the antiderivative of #4/x^2#? thanks!?
  
• What is the antiderivative of #(sinx)^2#?
  
• Question #21f32
  
• How does saturn differ from the other outer planets?
  
• What is the atmosphere of Venus like?
  
• How is the speed of galaxies determined?
  
• How does fusion relate to stars?
  
• How do you know, if the atom will have an alpha, beta or gamma radioactive decay?
  
• How do nuclear reactions differ from chemical reactions?
  
• Why are lasers monochromatic?
  
• How are lasers used to cut material?
  
• Why is the antimarkovnikov process unusual?
  
• How do you find the equation of the tangent line and normal line to the curve at the given point #y = (1+2x)^2#, (1,9)?
  
• How do you find the equation of the line tangent to the graph of #(2x^3 - 1) / (x²)# at the point (1,1)?
  
• Question #573e1
  
• In fission reactions, what causes the parent atom to divide in Different Proportions", for example Uranium divides into Barium and Krypton, why it does not divide into two atoms with same mass (118) or any other atoms other than #Ba# and #Kr# ?
  
• What are the effects of substituents on the reactivity of the molecule?
  
• Why is the radical nitric oxide stable?
  
• What are some examples of carbohydrates in organic chemistry?
  
• What is the derivative of #cos x^5#?
  
• What is the derivative of #f(x)=log (x/5) #?
  
• What is the derivative of #y=xcosx+sinx#?
  
• What is the derivative of #(12/sinx) + (1/cotx)#?
  
• How do you determine whether the function # h '(x) = ((x^2) - 2) / x # is concave up or concave down and its intervals?
  
• How do you evaluate #int root3(x^2)# for [-1, 1]?
  
• How do you evaluate #int 1/(x+7)(x^2+9)# for [-1, 3]?
  
• What is the reagent and condition needed when cyclohexene produce chlorocyclohexane as a product?
  
• How do you find the inverse of #f(x) = (2x-1)/(x-1)#?
  
• How do you find the integral of #int lnx dx # from 0 to 4?
  
• How do you find the integral of #int (lnx / sqrt(x)) dx# from 0 to 1?
  
• A fence(3m tall) parallel to the wall of a building and 1m from the building.What is the length of the shortest ladder that can be extend from the ground over the fence to the building wall?