Answer:
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

 
        
             
        
        
        
Digit, number, WHOLE NUMBER
        
             
        
        
        
6 lessons per week multiplied by the number of weeks in a year
6 x 52 = 312
total - 5 missed 
312 - 5 = 307 dance lessons
        
             
        
        
        
Answer:
 6/36 as simplified as 1/6 
Step-by-step explanation: