A comuter has $245 in his commuter savings account b. How much must he add to his account if he wants to have 20 weeks worth of
1 answer:
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Answer:
sin(x) and cos(y) are equal and have ratio of 1 : 1
First find the missing hypotenuse using Pythagoras theorem:
a² + b² = c²
12² + 5² = c²
c = √144+25
c = 13
using sine rule:
using cosine rule: