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25 votes
If 0 < f ≤ 90 and cos(22f − 1) = sin(7f + 4), what is the value of f?

f = 3
f = 4
f = 5
f = 6

User Eana Hufwe
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1 Answer

3 votes

Answer:

f= 5

Explanation:

User Wiimm
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