Answer:
Step-by-step explanation:
In each case, draw the right triangle which produces the inverse trig value. That is, label the two sides as needed, and calculate the third side.
It should be clear that


sin(2α) = 2 sinα cosα
So,

See what you can do with the others.
Answer:
42*7
Step-by-step explanation:
Answer: 327680000x? sry i dont know what you want us to do
Step-by-step explanation:
Answer:
A.
Step-by-step explanation: