Question

Sin30°+cos60°+tg45°-cbg90°

Answer 1

sin30=1/2=0,5

cos60=1/2=0,5

tg45=1

ctg90=0

0,5+0,5+1-0=2

Answer 2

Let's break down the trigonometric expressions one by one:

1. sin(30°) = 0.5
2. cos(60°) = 0.5
3. tan(45°) = 1
4. cot(90°) = undefined (cotangent is undefined at 90 degrees)

So, your expression becomes:

0.5 + 0.5 + 1 - undefined

Since cot(90°) is undefined, the result is also undefined.