Tan(55-A)-cot(35+A)
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Answer:
Step-by-step explanation:
=Tan(55-A)-cot(35+A)
=cot(90-(55-A)-cot(35+A)
=cot(90-55+A)-cot(35+A)
=cot(35+A)-cot(35+A)
=0
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Answered by
0
Answer:
0
Step-by-step explanation:
tan(55-A)-cot(35+A)
=cot(90-(55-A))-cot(35+A) [tan A= cot(90-A)]
=cot(35+A)-cot(35+A)
=o
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