Question

find the value of tan (2021π-π/4)​

Answer 1

Answer:

tan

(

π

4

)

=1

Explanation:

π

=180˚

∴

π

4

=45˚

hence tan 45˚=1

The reason

π

equals 180˚ is that the circumference of a circle is 360˚

C=2

π

r=360˚ which is one full rotation of r

now 180˚ is

1

2

a rotation of r which equals

1

2

⋅

2

π

=

π

∴

π

=

180

˚

Step-by-step explanation:

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