Let f   : 0 ,   4 π → 0 ,   π be defined by f x = cos - 1 ⁡ cos ⁡ x . The number of points x   ∈ 0 ,   4 π satisfying the equation f x = 10 - x 10 is_________

Question

Let f &#160; : 0 , &#160; 4 &#960; &#8594; 0 , &#160; &#960; be defined by f x = cos - 1 &#8289; cos &#8289; x . The number of points x &#160; &#8712; 0 , &#160; 4 &#960; satisfying the equation f x = 10 - x 10 is_________

Aicharya · Accepted Answer

f : 0 , 4 π → 0 , π , f x = cos - 1 ⁡ cos ⁡ x ⇒ Point A, B, C satisfy f x = 10 - x 10 Hence. 3 points

Let f   : 0 ,   4 π → 0 ,   π be defined by f x = cos - 1 ⁡ cos ⁡…

Solution

Let f &#160; : 0 , &#160; 4 &#960; &#8594; 0 , &#160; &#960; be defined by f x = cos - 1 &#8289; cos &#8289;…

Solution

Let f : 0 , 4 π → 0 , π be defined by f x = cos - 1 ⁡ cos ⁡…