3 years ago

5. Solve the problem and find the answer

Mathematics

1 answer:

Ghella [55]3 years ago

7 0

Answer:

x ≈ 263.1

Step-by-step explanation:

The marked sides are the hypotenuse and the side adjacent to the given angle. The relevant trig relation is ...

Cos = Adjacent/Hypotenuse

cos(70°) = 90/x . . . . use given values

x = 90/cos(70°) . . . . multiply by x/cos(70°)

x ≈ 263.1

_____

<em>Additional comment</em>

The mnemonic SOH CAH TOA is intended to remind you of the primary trig relations:

Sin = Opposite/Hypotenuse

Cos = Adjacent/Hypotenuse

Tan = Opposite/Adjacent

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