In ΔBCD, the measure of ∠D=90°, BD = 20, CB = 29, and DC = 21. What is the value of the cosine of ∠C to the nearest hundredth?
1 answer:
Step-by-step explanation:
This is what the triangle should look like, when you draw it.
As its a right-angle triangle, trigonometry was used.
Let theta represent the angle of cosine C
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