Answer:

Step-by-step explanation:
Recall the mnemonics SOH CAH TOA.
SOH means the Sine ratio is Opposite over Hypotenuse.
This implies that;

The side opposite to angle A is 4cm and the hypotenuse is 5cm.

3%?? The question doesn't make much sense.
Answer:
its normall
Step-by-step explanation:
Answer:
f(x)=|1/2x|
Step-by-step explanation:
Answer:
D.
Step-by-step explanation: