# Help for precalculus

**Question description**

1.) solve the equation 8^x=3^(x+5). Express x as a function of 3,5,and 8, and evaluate it using your calculator.

2.) using your calculator give the value of:

Cos 3pi/2=_______

Sin 44 degrees=_______

Sec(-pi)=________

Cos(55degrees 3'12")=_______

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