Question

If the sin 60° is 3/2
then the cos___=___

Answer 1

Answer:

30, root 3 over 2 or the third option

I did it on my quiz :)

But basically it is 30, root 3 over 2 because sin and cos are complements to one another.

Answer 2

Trigonometric Identities are equalities that utilize trigonometry functions and hold true for all variables in the equation. The correct option is C; 30°, (√3)/2.

What are Trigonometric Identities?

Trigonometric Identities are equalities that utilize trigonometry functions and hold true for all variables in the equation. There are several trigonometric identities relating to the side length and angle of a triangle.

Given that sin(60°) is (√3)/2. Therefore, the value of cos can be written as,

sin(60°) = (√3)/2

cos(90° - 60°) = (√3)/2 {Cos(90° - x) = Sin(x)}

cos 30° = (√3)/2

Learn more about Trigonometric identities:

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