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Camila
Mathematics
16 June, 11:57
Solve: tan (x) - cos^2 (x) = sin^2 (x)
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Alexander Garcia
16 June, 12:17
0
Pi/4+kpi
Step-by-step explanation:
X = 45 degrees and on unit circle that is pi/4
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Mckenzie Browning
16 June, 12:23
0
x = 45 degrees + 180 n where n is an integer
Step-by-step explanation:
tan (x) - cos^2 (x) = sin^2 (x)
Add cos^2 (x) to each side
tan (x) - cos^2 (x) + cos^2 (x) = sin^2 (x) + cos^2 (x)
tan (x) = sin^2 (x) + cos^2 (x)
We know that sin^2 (x) + cos^2 (x) = 1
tan (x) = 1
Take the inverse tan of each side
tan ^-1 (tan x) = tan ^-1 (1)
x = 45 degrees + 180 n where n is an integer
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