Asked by HELPPPP
solve the equation 2 sec x- tan x = cot x for the interval 0 to 360 please:)
Answers
Answered by
drwls
(2 - sinx)/cosx = cot x = cosx/sinx
Multiply both sides by sinx cosx
2 sinx - sin^2x = cos^2 x = 1 - sin^2x
2 sinx = 1
x = 30 degrees or 150 degrees
Multiply both sides by sinx cosx
2 sinx - sin^2x = cos^2 x = 1 - sin^2x
2 sinx = 1
x = 30 degrees or 150 degrees
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