[tan( pi-x) tan(1.5pi+x)/cos^2(x-1.5pi)- cos(1.5pi+x)/sin(pi-x)sin^2(2pi-x)=
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tan( pi-x) tan(1.5pi+x)/cos^2(x-1.5pi)- cos(1.5pi+x)/sin(pi-x)sin^2(2pi-x) = 0
Step-by-step explanation:
[tan( pi-x) tan(1.5pi+x)/cos^2(x-1.5pi)- cos(1.5pi+x)/sin(pi-x)sin^2(2pi-x)
tan( pi-x) = - Tanx
tan(1.5pi+x) = - Cotx
cos^2(x-1.5pi) = Sin²x
cos(1.5pi+x) = Sinx
sin(pi-x) = Sinx
sin^2(2pi-x) = Sin²x
(-Tan x)(-Cotx) /Sin²x - Sinx/SinxSin²x
= (1/Sin²x - 1/Sin²x)
= 0
tan( pi-x) tan(1.5pi+x)/cos^2(x-1.5pi)- cos(1.5pi+x)/sin(pi-x)sin^2(2pi-x) = 0
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