Answer:
Step-by-step explanation:
a. sin^-1(sin theta) = theta
(1/sin)(sin theta) = theta
<em>the sines cross out</em> theta = theta
b. cos(cos^-1x) = x
cos(x/cos) = x
<em>the cosines cross out </em>x = x
Answer:
2 is 10% of 20.
Step-by-step explanation:
2/20=10.
Answer:
-15 and 1
Step-by-step explanation:
-15x1=-15
-15+1= -14