Answers created by loa

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$a \in (π, \frac{3 π}{2}); sin a = - \frac{4}{5};$ $a in(pi,(3pi)/2);sina=-4/5;$ How to calculate $t g \frac{a}{2}$ $tga/2$ ?
How do you simplify $3 \sqrt{3 b} - 5 \sqrt{75}$ $3sqrt(3b)- 5sqrt75$ ?
How do you factor $20 w^{2} + 33 w - 27$ $20w ^ { 2} + 33w - 27$ ?
How do you simplify $\sqrt{\frac{32}{t^{4}}}$ $sqrt(32/t^4)$ ?
How do you solve $(3 w - 10) w = 77$ $(3w - 10) w = 77$ ?
How do you differentiate $y = (x^{4} + 3) (- 4 x^{5} + 5 x^{4} + 5)$ $y=(x^4+3)(-4x^5+5x^4+5)$ using the product rule?
How do you solve the inequality $| 2 x + 1 | \leq 6 - x$ $abs(2x+1)<=6-x$ and write your answer in interval notation?
How do you simplify and find the excluded values of $\frac{9 x^{2} - 6 x + 1}{12 x^{2} - 13 x + 3}$ $(9x^2 - 6x+1 )/( 12x^2 -13x+3)$ ?
How do you solve $\frac{x - 4}{x + 2} + \frac{2}{x - 2} = \frac{17}{x^{2} - 4}$ $(x-4) / (x+2) + 2 /( x-2) = 17 / (x^2-4)$ ?
What is the derivative of $e^{a x}$ $e^(ax)$ ?