Question

Bentuk sederhana dari tan x/sec x

Answer 1

Tanx/secx = sinx/cosx : 1/cosx = sinx/cosx . cosx/1 = sinx

Answer 2

Tan x / sec x
tan x = sin x / cos x
sec x = 1 / cos x
= sin x / cos x ÷ 1/cos x
= sin x / cos x . cos x /1
coret cos x
= sin x / 1
hasil --> sin x