3 years ago

What is the value of x sin x + 11 degrees equals cos 2x + 22 degrees enter your answer in the Box

1 answer:

4 0

In geometry, if the angles have the same values of sine and cosine, it implies that the angles are complementary which further means that the sum of their measures should be 90°. With the given expressions for the angles above,

(x + 11) + (2x + 22) = 90

Simplifying,

3x + 33 = 90

Further simplification,
3x = 90 - 33 = 57

The value of x from the equation is 19.

Answer: x = 19

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