The degree measure of an angle in a right triangle is x, and sin x = 1/3 . Which of these expressions are also equal to 1/3 ? Select all that apply. A) cos(x) b) cos(x - 45°) c) cos(45° - x) d) cos (60° - x ) e) cos(90° - x)

EXPLAIN

The expression that should be equivalent to one-third is cos(90° - x).

Given that,

Based on the above information, the following information should be considered:

Based on this, the complementary angle of angle x should be equivalent to (90-x) degrees

Therefore we can conclude that the expression that should be equivalent to one-third is cos(90° - x).

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e) cos(90° - x)

Step-by-step explanation:

we know that

If two angles are complementary, the cofunction identities state that the sine of one equals the cosine of the other and vice versa

The complementary angle of angle x is equal to (90-x) degrees

therefore

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step-by-step explanation:

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square