You are playing a board game and your playing piece begins the game at START. You roll a single number cube numbered 1 to 6 to f
2 answers:
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Answer:
Step-by-step explanation:
To solve this problem you must know the formula of subtraction of angles for the function cosx.
The formula is:
We can write 30° as: 45° - 15°
Then:
Using the formula for subtraction of angles we have:
Notice that we have achieved the expression shown in the statement
Finally:
Answer:
Step-by-step explanation:
Supplementary is the name of a relationship between 2 angles. If they add up to 180°, they will form a straight line and are supplementary.