What is the relationship between the sine of an angle and cosine of the other acute angle in the same triangle? Will this be tru
e every time? Why or why not?
1 answer:
Consider in triangle as given below:
sin(A) = opposite/hypotenuse = BC/AC
cos(B) = adjacent/hypotenuse = BC/AC
<span>Now, both of them have the same hypotenuse and both will be equal. As you have seen already both the values are same.
</span>Thus, the <span>relationship between the sine of an angle and cosine of the other acute angle in the same triangle is shown below. And this ill this be true every time.</span>
sin(A) = opposite/hypotenuse = BC/AC
cos(B) = adjacent/hypotenuse = BC/AC
<span>Now, both of them have the same hypotenuse and both will be equal. As you have seen already both the values are same.
</span>Thus, the <span>relationship between the sine of an angle and cosine of the other acute angle in the same triangle is shown below. And this ill this be true every time.</span>
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Answer:
The factored form of x²-400 is (x+20)(x-20).
Step-by-step explanation:
Given the expression
As the square of 20 is 400. Therefore, rewrite 400 as 20²
⇒
Thus, the expression becomes
Thus, the factored form of x²-400 is (x+20)(x-20).