1. The classic 60° triangle has a hypotenuse of length 2, an opposite side of length √3 and an adjacent side of length1: What is the value of cos(60°)? a. 0.5 b. 0.577 c. 0.866 d.

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Taytay13435viz Taytay13435viz · Answer 1

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a. 0.5 is the answer thanks pa brainliest hahandjw

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Chleachleadelacruzviz Chleachleadelacruzviz · Answer 2

Chleachleadelacruzviz Chleachleadelacruzviz

Using the trigonometry rule for the cosine, we will see that:

cos(60°) = 1/2

Remember that in a right triangle, we have that:

cos(θ) = (adjacent cathetus)/(hypotenuse)

Here we have:

•θ = 60°

•adjacent cathetus = 1

•hypotenuse = 2

Replacing all that in the equation we get:

cos(60°) = 1/2

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