Math, asked by uunangia513, 1 month ago

What is tan70 degrees + cot20 degrees - 2tan70 degrees?

Answers

Answered by Barani22

0

Step-by-step explanation:

tan 70 + cot(90-20) - 2tan70

tan70+tan70 -2tan70

2tan70- 2tan70

=0

P.S- Tan and Cot are complementary angles.

Answered by DeepikaPolisetty

0

Answer:

0

Step-by-step explanation:

tan70 degrees = cot(90-20)=cot20

tan70 degrees = cot20 degrees

cot20 degrees + cot20 degrees - 2cot20 degrees

2 cot20 degrees - 2cot20 degrees

=0

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