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fomenos
3 years ago
15

PLEASE HELP MEEEEEE

Mathematics
1 answer:
weqwewe [10]3 years ago
4 0

Answer:

f=3

Step-by-step explanation:

The intervals means that angle f is between the quadrant 1.

Using that, we can use this identity

\sin(x)  =  \cos(y)

where x+y=90

22f - 1  +  7f + 4  = 90

29f + 3 = 90

29f = 87

f = 3

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