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OpenStudy (anonymous):
find the value of e
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OpenStudy (anonymous):
OpenStudy (anonymous):
A. 17.2 B. 12.7 C. 19.4 D. 14.9
OpenStudy (anonymous):
sin 61 / e = sin 45 / 15.7
OpenStudy (anonymous):
I can see that you haven't learnt or you don't understand the sine/cos and other rules that apply to non-right angled triangles. You need to learn them first.
OpenStudy (anonymous):
45+61+angle R=180 angle R=74 and side e = 15.7 cos 74 = 15.7 *.87=14.134
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