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Please help thankyou


Please help thankyou ​-example-1
User Abdulrazak Alkl
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1 Answer

27 votes
27 votes

Answer:

(a) 59 degrees

Explanation:

The mnemonic SOH CAH TOA is intended to remind you of the relationship between sides of a right triangle and trig functions of the angles. Here, the sides adjacent and opposite the unknown angle are given, so the relevant relation is ...

Tan = Opposite/Adjacent

__

The side opposite is 75, and the side adjacent is 45, so ...

tan(?) = 75/45 = 5/3

The angle is found using the inverse tangent function:

? = arctan(5/3) ≈ 59.04°

The measure of the indicated angle is about 59 degrees.

_____

Additional comment

A portion of a calculator is shown in the attachment. The purpose is to illustrate ...

  • the calculator mode is set to degrees (lower left of display)
  • the inverse tangent function is the "2ND" function of the button labeled "Tan"
Please help thankyou ​-example-1
User Qwertiy
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