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Orlov [11]
2 years ago
14

Please help!

Mathematics
2 answers:
Juli2301 [7.4K]2 years ago
7 0

Answer:

adjacent side and Hypotenuse

Step-by-step explanation:

In a right angle triangle the sides are known as

  • Perpendicular=Opposite side
  • Base=Adjacent side
  • Hypotenuse

So

  • cosØ=Base/Hypotenuse
  • cosØ=Adjacent/Hypotenuse

Hence option D is correct

liubo4ka [24]2 years ago
5 0

Answer:

D.  adjacent side; hypotenuse

Step-by-step explanation:

<u>Trigonometric ratios</u>

\sf \sin(\theta)=\dfrac{O}{H}\quad\cos(\theta)=\dfrac{A}{H}\quad\tan(\theta)=\dfrac{O}{A}

where:

  • \theta is the angle
  • O is the side opposite the angle
  • A is the side adjacent the angle
  • H is the hypotenuse (the side opposite the right angle)

Therefore, when the cosine trigonometric ratio is used to find a given angle, we take the inverse cosine of the ratio of the <u>adjacent side</u> to the <u>hypotenuse</u>:

\implies \sf \theta = \cos^{-1}\left(\dfrac{A}{H}\right)

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