SOLUTION: Hello i need to practice for final exams and need help .How are these done?i need help thanks. Finding the exact value of the following arcsin (-sqrt(3)/4) cot(tan inverse 5)

Question 762938: Hello i need to practice for final exams and need help .How are these done?i need help thanks.
Finding the exact value of the following
arcsin (-sqrt(3)/4)
cot(tan inverse 5)
cos inverse (sin5pi/4)
sine(sine inverse 2/3)
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Finding the exact value of the following:
arcsin (-sqrt(3)/4)=arcsin(-√3/2)=300�
cot(tan inverse 5)=cot(cot inverse (1/5))=1/5
cos inverse (sin5pi/4)=cos 225�=-√2/2
sine(sine inverse 2/3)=2/3
..
note: the inverse of a trig function is an angle with domains as follows:
cos: [0,π]
sin: [-π/2,π/2]
tan: [-π/2,π/2]
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