Answer:
234
Step-by-step explanation:
Answer:
Step-by-step explanation:
sin(2x) = 2 sin(x) cos(x) cos(2x) = cos2(x) – sin2(x) = 1 – 2 sin2(x) = 2 cos2(x) – 1. Now I am not sure if this is right but I remember another similar formula. Here is the correct formula cot x = cos x / sin x
2 ) ( sin² x + cos² x ) / cos x = sec x
1/cos x = sec x
sec x = sec x
cos² x + sin² x = 1
Answer:
x
,y
=
204
Step-by-step explanation:
Domains are always X values so this would be {-3,5,1,2}
Answer:
576
Step-by-step explanation:
"(15+12)−3 to the 2 power" can be rewritten, symbolically, as:
[ (15+12) − 3 ]^2, or
[ 27 - 3 ]^2, or
24^2, or 576