MHT CET20192 May 2019Morning ShiftMathematicsTrigonometric EquationsActual
Which of the following equation has no solution?
Options
- Asec θ = 23
- Bcos θ = 2
- Ctan θ = 2019
- Dsin θ = - 1 5
Correct answer
B. cos θ = 2
Step-by-step solution
Since, s i n θ ∈ - 1 , 1 , c o s θ ∈ - 1 , 1 sec θ ∈ - ∞ , - 1 ∪ 1 , ∞ tan θ ∈ R