2(tan x) + sec x = 1
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Originally Posted by Quan 2(tan x) + sec x = 1 can you take it from here?
Originally Posted by Jhevon can you take it from here? so i got (2sinX + (sin^2 x)) / cos x i can't seem to convert them into other identities
Originally Posted by Quan so i got (2sinX + (sin^2 x)) / cos x i can't seem to convert them into other identities no. you have here, you cannot apply that identity. we have: .....(a fraction is zero when the numerator is zero, provided the denominator is not zero at the same time) now can you continue?
Originally Posted by Jhevon no. you have here, you cannot apply that identity. we have: .....(a fraction is zero when the numerator is zero, provided the denominator is not zero at the same time) now can you continue? Thanks I got it, however I want to know how you got the ^2 on both sides
Originally Posted by Quan Thanks I got it, however I want to know how you got the ^2 on both sides i just squared both sides. the result is a quadratic in sin(x)
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