Mathematics, 18.08.2019 19:00 fortwill05
Find the exact value of the expression. write the answer as a single fraction. do not use a calculator.
simplify your answer. type an exact answer, using radicals as needed. use integers or fractions for any numbers in the expression. rationalize all denominators.
Answers: 1
![sin\frac{3\pi}{2}=sin(\pi+\frac{\pi}{2})=sin\pi cos\frac{\pi}{2}+sin\frac{\pi}{2} cos\pi=0\cdot0+1\cdot(-1)=-1\\\\tan\left(-\frac{23\pi}{4}\right)=-tan\frac{23\pi}{4}=-tan\left[6\pi+\left(-\frac{1}{4}\pi\right)\right]=-tan\left(-\frac{1}{4}\pi\right)=tan\frac{\pi}{4}=1](/tpl/images/0176/7291/852ad.png)
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Find the exact value of the expression. write the answer as a single fraction. do not use a calculat...
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