Thread: pre calc calculator stuff

Hi, Im not sure how to solve these, although im pretty sure you do it all in the calculator... can someone help me out?

sec (arccos 2/3)

csc (arccot 3)

csc (arccsc 5)

tan (arcsec (-radical2))


thanks

Originally Posted by cokeclassic

Hi, Im not sure how to solve these, although im pretty sure you do it all in the calculator... can someone help me out?

sec (arccos 2/3)

csc (arccot 3)

csc (arccsc 5)

tan (arcsec (-radical2))


thanks

1. You are supposed to know that (for example)

2. I'll show you how to do the first question: