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Rewrite cot 80° in terms of its cofunction.
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5 votes
Rewrite cot 80° in terms of its cofunction.

User Farhan Haque
by
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1 Answer

3 votes

Answer:

tan 10 degrees.

Explanation:

tan x = cot (90 - x) so:

cot 80 = cot (90 - 10)

= tan 10.

User Pychopath
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