Question

Can pls help me with my homework plss

Answer 1

$cos \: k = \frac{adj}{hyp} = \frac{5}{13}$

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I'm unsure about what to do after that but you can:

$cos( \frac{5}{13} ) = 0.999977469$

$cos \: k = 1.00$

or

$\frac{5}{13} = 0.384615385$

$= 0.38$

I think the first one's safer.

Answer 2

Who good with algebra 2?