Answer:
Step-by-step explanation:
Hope this helps!
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You can buy 5 bottles because $4 times 5 equals $20. I hope this helps :)
Kiana is 14 zach is 3 times as old as him
How old is he
Answer:
sin 2x + cos x = 2 sin x cos x + cos x = (2 sin x + 1)cos x
Step-by-step explanation:
Given the expression: sin 2x + cos x,
then we can use the formula: sin 2x = 2 sin x cos x, which gives:
sin 2x + cos x = 2 sin x cos x + cos x = (2 sin x + 1)cos x
So there you have two expressions in terms of sin x and cos x, as requested. :D