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ivanzaharov [21]

3 years ago

7

Based on Pythagorean identities, which Equation is true?

2 answers:

Pavel [41]3 years ago

8 0

The answer is cot² ∅ - csc² ∅ = -1

Referring to Pythagorean identities:
sin² ∅ + cos² ∅ = 1
1+cot² ∅ = csc² ∅
tan² ∅ + 1 = sec² ∅

1+cot² ∅ = csc² ∅
⇒ transposing 1 and csc² ∅ we will have now
cot² ∅ - csc² ∅ = -1

lara [203]3 years ago

4 0

Answer: The answer is D.

Step-by-step explanation:

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