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ggpro4life3000
21.07.2019 •
Mathematics
Find the cosine of both angle a and angle b.
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Ответ:
cos A=adjacent side angle A/hypotenuse
adjacent side angle A=24 units
hypotenuse=26 units
cos A=24/26> 12/13
cos B=adjacent side angle B/hypotenuse
adjacent side angle B=10 units
hypotenuse=26 units
cos B=10/26> 5/13
the answers are
cos A=12/13
cos B=5/13
cot A=adjacent side angle A/opposite side angle A
adjacent side angle A=24 units
opposite side angle A=10 units
cot A=24/10> cot A=12/5
cot B=adjacent side angle B/opposite side angle B
adjacent side angle B=10 units
opposite side angle B=24 units
cot B=10/24> cot B=5/12
Ответ:
So, cos A = 24/26
= 0.923
Cos B = 10/26
= 0.3846
Ответ:
A
Step-by-step explanation:
A. Connect A and D with a straightedge.