Question

Arjun saw an equation written like $4sin2\theta =5$. Can you suggest Arjun whether the given equation is true or false?

• A. True
• B. False

Answer 1

Answer: (B)

False

$4sin2\theta =5$

$sin2\theta =\frac{5}{4}$

Since we know that the maximum and the minimum value of sine function is 1 and -1 respectively,

$\frac{5}{4}$ is more than 1 so it is not a possible value of sine.

Hence, the given equation is false.