If tan 2A = cot (A- 30), find A
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2
Answer:
Step-by-step explanation:
Tan 2A=cot(A-30)
Cot (90-2A) =cot (A-30
120=3A
A=40
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0
tan2A can be written as cot(90-2A)
Cot(90-2A)=cot(A-30)
Cot to cot will be removed
90-2A=A-30
90+30=A+3A
120=4A
A=30
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