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:
6/7
Step-by-step explanation:
multiply the 1 by 6 and put that over 7
Answer:
Step-by-step explanation:
d
Answer:
Number of Muhammad's swim suits = k - 8
Step-by-step explanation:
Given:
Number of Charlie's swim suits = K
Number of Muhammad's swim suits = 8 less than Charlie
Find:
Expression [Number of Muhammad's swim suits]
Computation:
Number of Muhammad's swim suits = 8 less than Charlie
Number of Muhammad's swim suits = k - 8