if you have four times a number, that means that there are 4 of one number
say the number is "c"
c c c c
there are 4 c's that means 4*c = 4c
the coefficient "4" before the letter c just means how many c's there are
Answer from: Quest
Hello! i hope this since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.
Answer from: Quest
there is no graph so i cant sorry
step-by-step explanation:
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