Given that g ; x \(\to\) 3x and f ; x \(\to\) cos x. Find the value of g\(^o\) f(20\(^o\))
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
Correct Answer: Option D
Explanation:
f(20\(^o\)) = cos 20\(^o\) = 0.9397
g(0.9397) = 3(0.9397)
= 2.82
f(20\(^o\)) = cos 20\(^o\) = 0.9397
g(0.9397) = 3(0.9397)
= 2.82