The trigonometric functions sec (225^@)

Khadija Wells

Khadija Wells

Answered question

2020-10-23

The trigonometric functions sec(225)

Answer & Explanation

Benedict

Benedict

Skilled2020-10-24Added 108 answers

To find the value of the trigonometric functions, first, convert sec function in terms of cos(θ).
Use the identity sec(θ)=1cos(θ)
We have
θ=225=180+45
cos(225)=cos(180+45){cos(180+θ)=cos(θ)}
=cos(45)
=12
Now sec(θ)=1cos(θ)
sec(225)=1cos(225)
=112
=2
=1.4142

Jeffrey Jordon

Jeffrey Jordon

Expert2021-12-14Added 2605 answers

Answer is given below (on video)

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