Question

what is the value of tan90​

Answer 1

Answer:

Value of tan90 is not defined.

Answer 2

Answer:

The value of tan90° not defined or ∞

Explanation:

As, tanθ=sinθ/cosθ

⇒tan90°=sin90°/cos90°

Here, sin90°=1 and cos90°=0 ;

But, any number divided by 0 is defined as infinity(∞)

The value of tan(90 radians)≈–1.995