Question

See the picture below!!

Answer 1

tanΘ

Explanation:

Using the trigonometric identity

sin²x + cos²x = 1 ← subtract sin²x from both sides

cos²x = 1 - sin²x ( take the square root of both sides )

cos x =
`√(1-sin^2x)`

Hence

`(sinx)/(√(1-sin^2x) )` =
`(sinx)/(cosx)` = tan x

note for x read Θ