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KeyesRaveen
05.05.2020 •
Mathematics
Can someone pls help me
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Ответ:
35°, 55°
Step-by-step explanation:
sin(3x + 2)° = cos(x+44)°
Since sine and cosine are based upon right triangles, the two angles must add up to 90°. Thereby, 3x+2 + x+44 = 90. Combine like terms to get:
4x + 46 = 90 subtract 46 from both sides
-46 -46
4x = 44 divide both sides by 4
4 4
x = 11 plug that back into both angles
3(11) + 2 = 35; 11 + 44 = 55