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if a=1.8 and b=4.7 find angle B to the nearest tenth of a degree.

If A18 And B47 Find Angle B To The Nearest Tenth Of A Degree class=

Sagot :

Answer:

69°

Step-by-step explanation:

TOA is tan(θ)[tex]=\frac{opposite}{adjacent}[/tex]

Reversing the process is [tex]arctan[/tex] or [tex]tan^{-1}[/tex]

[tex]arctan(\frac{4.7}{1.8})=[/tex]

1.205 radians

69.04 degrees

olumideolawoyin

Answer:

B = 69.0 ⁰

Step-by-step explanation:

Using Trigonometric ratio,

tan B = opposite side / adjacent side

tan B = 4.7 / 1.8

tan B = 2.6111

B = arctan (2.6111)

B = 69.0442

Therefore,

B = 69.0 ⁰ to the nearest tenth.

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