Answer:
71°
Step-by-step explanation:
The cosine of an angle is equal to the sine of its complement:
cos(19°) = sin(90° -19°) = sin(71°)
Comparing to the given expression, we see that x = 71°.
Answer:
j=42.36
Step-by-step explanation:
=15 to original answer
Its 18....................................
By pythagorean thoerm u can find
Hy^2=length^2+base^2
Answer: -10x+7.5
Step-by-step explanation:
First multiply -2.5(4x)= -10x and then -2.5x-3= 7.5 it should be -10x+7.5