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3 years ago

Trigonometric identities help

Mathematics

1 answer:

lyudmila [28]3 years ago

5 0

Answer:

Step-by-step explanation:

I just graphed this and used the "maximum value" capability to locate the max value. It occurs at (0.363, 3).

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4 years ago

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Show that the two triangles ABC and DEF are congruent by the HL theorem.

inna [77]

Since hypotenuses and legs have the same length, then both are congruent and thus, triangles ABC and DEF are congruent.

The Hypotenuse-Leg theorem states that two right triangles are congruent if and only if their hypotenuses and any of their corresponding legs are congruent. That is to say:

$\overline {AC} \cong \overline {DF}$ , $\overline{BC} \cong \overline {EF}$

$AC = DF, BC = EF$

$\sqrt{AB^{2}+BC^{2}} = \sqrt{DE^{2}+EF^{2}}$ , $BC = EF$

If we know that $AB = 10$ , $BC = 4$ , $DE = 10$ and $EF = 4$ , then we have the following outcomes:

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$4 = 4$

Since hypotenuses and legs have the same length, then both are congruent and thus, triangles ABC and DEF are congruent.

We kindly invite to check this question on triangles: brainly.com/question/21972776

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