cosh^2 x - sinh^2 x = 1
cosh x = 1+ sinh^2 x
cosh x = 1+(-3/5)^2
cosh x = 1+9/25 = 34/25
cosh 2x = 2 sinh x cosh x
cosh 2x = 2 (-3/5) (34/25)
=-204/125
If x equals 35, then -x equals -35.
57
56???
42 72
1.7cm
Find the measure of this angles m1 equals 123 m8 equals?
EC = 9 in. CD = in. Find ED.
If x equals 35, then -x equals -35.
40
57
If AC equals 6 and BD equals 4, then AB equals 5.
y = -5
112in
36
56???
42 72
1.7cm