Question

Which pair of angles has congruent values for the sin x° and the cos y°?

A) 42°, 138°
B) 42°, 48°
C) 42°,132°
D) 42°, 42°

Answer 1

Answer:

B: 42°, 48°

Step-by-step explanation:

I took the test.

Answer 2

The pair of angles have congruent values for the sin x° and the cos y° is 42; 48.

What are congruent angles?

Angles that are of the same measurement are called congruent.

Suppose that two angles ∠A and ∠B are of the same measure,

then

$m\angle A = m\angle B$

is the notation to say that they are of the same measurement, where the small m shows that its the measurement of the angles they're preceding.

We write the congruency between them as;

$\angle A \cong \angle B$

Congruent angles can be defined as a type of angle that is known to have all sides in equal measure.

sin x  = cos (90-x)

therefore,  sin 42 = cos(90-42)

                             = cos 48

Hence, option B) 42°, 48° is correct

Learn more about congruent angles ;

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