Athenax
18.03.2022 •
Mathematics
Find the value of each trigonometric ratio.
1) cos A
C-36
B-27
A-45
Solved
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Ответ:
Step-by-step explanation:
1. 4x + 5 = -7
4x = -12
x = -3
2. 9f - 11 = 4 + 14f
-5f - 11 = 4
-5f = 15
f = -3