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Mathematics
Allisson Bush
29 September, 07:12
Find an angle x where sin (x) = cos (x)
+2
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Kaeden Cohen
29 September, 07:41
0
45 degrees
Step-by-step explanation:
sin (x) = cos (x)
Divide each side by cos x
sinx/cos x = cos x/cos x
tan x = 1
Take the arctan of each side
arctan (tan x) = arctan (1)
x = 45 degrees + 360 n
x = 225 + 360 n
where n is an integer
We only have to choose 1 since it says choose an angle
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