What is the value of (
3
1
−sec45
∘
)?
- A2
4−3
2
- B3
3
6
−1
- C3
1−3
2
- D2
2
2
2
−1
Solution & Step-by-step Explanation
We know from trigonometric values that:
sec45
∘
=
2
Substitute this into the given expression:
3
1
−sec45
∘
=
3
1
−
2
Taking the common denominator 3:
=
3
1−3
2
sec45
∘
=
2
Substitute this into the given expression:
3
1
−sec45
∘
=
3
1
−
2
Taking the common denominator 3:
=
3
1−3
2