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OpenStudy (anonymous):
cot A - tan A = 2cot^2A
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OpenStudy (anonymous):
with steps please !
OpenStudy (anonymous):
cotA=1/tanA 1/tanA - tan A =21/tan2a tan2a=1-tansuraea/1+tansquarea
OpenStudy (anonymous):
1/tanA - tan A =1-tan^2a/1+tan^2a 1-tan^2a/tana=1-tan^2a/1+tan^2a next u try
OpenStudy (anonymous):
okay tnx :)
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