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Solve to the nearest degree, tan^2 theta--2tan theta=0 in the interval 0 degree a) 63 degree, 180 degree, 243 degree,360 degree
b) 0 degree, 63 degree, 180 degree, 243 degree, 360 degree
c) 63 degree, 243 degree
d) 0 degree, 180 degree, 360 degree



Answer :

belcatya
tg²a-2tga=0
tga(tga-2)=0
tga=0 or tga=2
(explanation of the picture)
Answer:
b) 0 degree, 63 degree, 180 degree, 243 degree, 360 degree

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