if x is an angle in third quadrant and tan(x-30)=cot x find x only serious answer
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Cofuntions of complementary angles are equal.x-30+x=90 finds a reference angle of 60 for x. The angle inquadrant III(3) that has a reference angle of 60 is 240.
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Answer:
tan(x-30)=cot x
tan(x-30)=tan(90-x)
x-30=90-x
2x=120
x=60
Cofuntions of complementary angles are equal.x-30+x=90 finds a reference angle of 60 for x.
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