4. Identify the final step in the proof of the Pythagorean Identity. 1+ cot (x) = csc² (x) adj side opp side Identity hyp opp side 1+ Substitute. (opp side) (1) + (opp side)?( adj side opp side hyp = (opp side) opp side Find a common denominator. Simplify. O sin (x) + cos (æ) = hyp² 1+ cos (æ) = hyp? O (adj side) (opp side)? = hyp? O opp side? + adj side? = hyp?

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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4. Identify the final step in the proof of the Pythagorean Identity.
1+ cot (x) = csc² (x)
adj side
һyp
Identity
1+
opp side
opp side
adj side
opp side )
Substitute.
(opp side) (1) + (opp side) (
hyp
opp side
= (opp side)?
Find a common denominator.
O sin (x) + cos (x) = hyp?
Simplify.
O 1+ cos (x) = hyp?
O (adj side)*(opp side)? = hyp?
O opp side? + adj side? = hyp?
Transcribed Image Text:4. Identify the final step in the proof of the Pythagorean Identity. 1+ cot (x) = csc² (x) adj side һyp Identity 1+ opp side opp side adj side opp side ) Substitute. (opp side) (1) + (opp side) ( hyp opp side = (opp side)? Find a common denominator. O sin (x) + cos (x) = hyp? Simplify. O 1+ cos (x) = hyp? O (adj side)*(opp side)? = hyp? O opp side? + adj side? = hyp?
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