How many ways can 15 horses finish 1st, 2nd, and 3rd in a race?
1 answer:
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Answer:
The Answers are
Step-by-step explanation:
Let we Know some Identities
cosec (-θ) = - cosec (θ)
sec (-θ) = sec (θ)
cot (-θ) = - cot (θ)
Also,
Therefore,
In these types of problems, the first step is to combine like terms. Like terms are terms with the same exponent (power), and the same variable (like all x's). In the above equation, we can combine -5x, 2x and -3y. Let's do it:
The next step would be to factor out the common ratio, which is not applicable here, so your answer would be -6x + 7y. Hope this helps!
The next step would be to factor out the common ratio, which is not applicable here, so your answer would be -6x + 7y. Hope this helps!