Write the expression as the sine or cosine of an angle.
cos cos x - sin sin x
[?](x
-
=
Hint: sin(A + B) = sin A cos B = cos A sin B
cos(A + B) = cos A cos B F sin A sin B
Enter

c. 65°

step-by-step explanation:

we are given a triangle with two known angles, 62° and 53°, while the third angle x is unknown and we are to find its value.

we know that the sum of angles in a triangle is equal to a total of 180 degrees. so we can write it as:

x + 62° + 53° = 180°

solving to find the value of x:

x = 180 - (62 + 53) = 65°

therefore, the value of x in this triangle is 65°.

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