1.

1-tanx/1+tanx formula please answer me​

Answer»

ANSWER:

COSX-sinx

Step-by-step explanation:

1-tanx/1+tanx

1-tanx/secx ( secA-tanA=1)

1/secx-tanx/secx

cosx-sinx/cosx/1/cosx

cosx .. cosx GET CANCEL then

cosx-sinx



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