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sabahfayaskhan
21.01.2020 •
Mathematics
Find the acute angle with the same tangent ratio as
i) 240 degrees
ii) 200 degrees
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Ответ:
Tan (240º) = Tan (60º) = 1.73205
Tan (200º) = Tan (20º) = 0.36397
Step-by-step explanation:
Trigonometrical functions are periodical.
Tangent have periods of 180º (π in Radian scale)
So:
240º = 180º + 60º = π + 60º
200º = 180º + 20 = π + 20º
As Cycle property for tangent:
Tan (π + x) = Tan (x)
So in our exercise:
Tan (240º) = Tan (180º + 60º) = Tan (π + 60º) = Tan (60º) = 1.73205
Tan (200º) = Tan (180º + 20º) = Tan (π + 20º) = Tan (20º) = 0.36397
Ответ:
5(y - 3) - 2 (3 - 2y) = 6
5(3 - 3) - 2(3 - 2 × 3) = 6
The equation works!
Y = 3
Great work!