Use the result of Exercise 45 to verify each identity. (a) (b) Data from in Exercise 45
Question:
Use the result of Exercise 45 to verify each identity.
(a)
(b)
Data from in Exercise 45
Prove that
for xy ≠ 1 provided the value of the left side of the equation is between -π/2 and π/2.
Transcribed Image Text:
arctan 120 119 - arctan 1 239 ㅠ 4
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