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Charra [1.4K]
3 years ago
7

Given the right triangle shown below, prove cos2(θ) + sin2(θ) = 1.

Mathematics
1 answer:
wel3 years ago
3 0

Answer:

-definition of cosine

-definition of sine

-Pythagorean Theorem

-Substitution

-laws of exponents

Step-by-step explanation:

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