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mina [271]
3 years ago
11

1. Given the triangle below, what is the value of sin 8 ? 12 6 ก 65

Mathematics
2 answers:
Lana71 [14]3 years ago
8 0

Answer:

(2/5)√5

Step-by-step explanation:

from the sine rule (see attached for reference), we can construct the following relationship

12/sinθ  = (6√5) / sin 90°

recall that sin 90° = 1, hence our equation becomes:

12/sinθ  = (6√5) / 1

12/sinθ  = (6√5)   (rearranging)

12 ÷ (6√5)  = sin θ

sin θ = 12 / (6√5)

sin θ = 2 / √5   (moving radical to numerator by multiplying by √5/√5)

= 2 / √5     x     √5/√5

= 2√5 / 5

= (2/5)√5

lara [203]3 years ago
6 0

Answer:

2

Step-by-step explanation:

bc

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