clevelandjaniya1
22.03.2020 •
Mathematics
Trigonometry
Reference Angles and Triangles
Find the exact value of sin 135*
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Ответ:
sqrt(2)/2
Step-by-step explanation:
Sin(135) = sin(180-135) = sin(45)
= 1/sqrt(2) or sqrt(2)/2
sqrt: square root
Ответ:
Im not sure how to do work
Since 100 is the vertical angle shared between the two triangles then the two other angles must be 40 in both triangles