Find theta in this right triangle?

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Find theta in this right triangle?

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4 | \
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5 A

Find measure of angle A to the tenth degree

2007-05-22 03:48:16 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

4 answers

tan(A)=4/5=.9
A=arctan(.9)=41.987~42.0 degrees

2007-05-22 03:55:12 · answer #1 · answered by Anonymous · 0⤊ 0⤋

I'm good at trig but I don't understand your symbols.

Remember SOHCAHTOA

Sine is Theta = Opposite over Hypotenuse

Cosine is Theta = Adjacent over Hypotenuse

Tangent is Theta = Opposite over Adjacent

2007-05-22 10:54:39 · answer #2 · answered by Lady Geologist 7 · 0⤊ 0⤋

Tan(A) = 4/5

A = InvTan(4/5)

2007-05-22 10:54:53 · answer #3 · answered by T 5 · 0⤊ 0⤋

38.7

2007-05-22 10:54:57 · answer #4 · answered by Faust 2 · 0⤊ 0⤋