exam Maths Puzzle Numerical Ability

I have a question in geometry about coordinates and graphing, but I cannot exactly scan my book onto the computer, so can you try to find my book and problem?

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exam Other Question

I am having trouble with evaluating without using a calculator
How do you it?
cos(-45)
tan(1800)
sec(5)
Simplify and write the answer with all exponents positive.

w-1power t-3power s/2-2power s4power t3 power