(secA-TanA)=1/3, then find cotA
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#hope it help uh.
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Answer:
Step-by-step explanation:secA-tanA=1/3
SecA=1/3+tanA
Squaring on both sides
Sec2A=1/9+tan2A+2/3tanA
Sec2A-tan2A=1/9+2/3tanA
1=1/9+2/3tanA
1-1/9=2/3tanA
8/9=2/3tanA
8/9*2/3=tanA
4/3=tanA
CotA=3/4
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