1.

Find tanA+cotA if a=2pi/3

Answer»

ANSWER:

≈27

Step-by-step EXPLANATION:

=TAN a+ COT a

=tan a+ 1/tan a

=(tan²a + 1)/tan a

=(tan a × tan a + 1)/tan a

=(tan 2pi/3×tan2pi/3 +1)/tan2pi/3

=(1.34×10∧-3 +1)/0.037

=(1.00134)/0.037

≈27



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