Question

the sign of cos 10⁰– sin10⁰ is​

Answer 1

Step-by-step explanation:

Let, y=cos10

∘

−sin10

∘

∵ for any value of 0≤θ<

4

π

cosθ>sinθ

therefore, cos10

∘

>sin10

∘

⇒y is positive.

Answer 2

Answer:

Correct option is

A

Positive

Let, y=cos10

∘

−sin10

∘

∵ for any value of 0≤θ<

4

π

cosθ>sinθ

therefore, cos10

∘

>sin10

∘

⇒y is positive.