Answer:3/8
Step-by-step explanation:
Answer:
24
Step-by-step explanation:

Square both sides:

Subtract 1 from both sides:

Hope this helps!
I'd suggest you write:
":<span>What is cos theta IF tan theta= 8/5?
tan theta = opp / adj = 8 / 5, so we know that opp = 8 and adj = 5. Then the length of the hypotenuse is sqrt(8^2+5^2) = 9.43.
Thus, the cosine of theta / cosine of this angle is
adj 5
----- = ---------- , or about 0.53.
hyp 9.43</span>
240 cm
You multiple each number together