Answer:
→ cos∅ = base/hypotenuse
→ cos(M) = MN/ML
→ MN = √(ML²-NL²)
= √(25²-15²)
= √(625-225)
= √400
= 20
→ML = 25
Therefore, cos(M) = 20/25 = 4/5
Explanation:
Correct choice is C
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