Answer:

Step-by-step explanation:
Let
be an acute angle.
To solve:
, we take the sine inverse of both sides to obtain:

Recall composition property of a function and its inverse function.

We apply this property to the left hand side to obtain;

We now use our scientific calculator to obtain;

We round to the nearest tenth to obtain;

Answer:
1. rational number
3. subset
4. repeating decimals
5. additive inverse
6. terminating decimals
Step-by-step explanation:
Sum = ADDITION SO ... 11 + 12 = 23.
Answer:
it is 4/3
Step-by-step explanation:
because tan(B) = opposite/adjacent