# Functions

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These online videos and calculus study materials can help you find the zeros of a polynomial function, transform and reflect functions, graph integer power functions and greatest integer functions, and more. Try one today—they're 100% free.
 Explain the difference between cos^-1(x) and sec(x). Tutor.com Help prove a trig identity. sinx-siny = 2cos([x+y]/2)sin([x+y]/2) Tutor.com g Tutor.com i was supposed to find the inverse of this and determine its domain and range. i found the inverse but im having trouble determining the domain and range. Please help me? Tutor.com Diego deposited a certain sum of money in a bank 2 years ago. If the bank had been paying interest at the rate of 5% compounded continuously and he has \$11,000 on deposit today, what was his initial deposit? Tutor.com simplify 3x^2y^3-3x^3y^2(-x^3/y^3)/ y^6 Tutor.com help Tutor.com We are doing a review in calculus and I can't solve this one problem. X^3/2 = 64 Tutor.com Find all solutions of the equation in the interval (0 , 2pi). Sec 4x = 2 Tutor.com I have uploaded a picture of the problem. [ File > http://lhh.tutor.com/SharedSessionFiles/5ea367da-87d9-4c9f-8a53-5667d63c4f36_Question_4.jpg ] Tutor.com
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