Asked by ken
verify identity:
tanx=cscx-cotx
tanx=cscx-cotx
Answers
Answered by
Reiny
RS = 1/sinx - cosx/sinx
= (1- cosx)/sinx
≠ tanx
this is not an identity,
let x = 45°
tan45 = 1
csc45 - cot45 = √2 - 1 ≠ 1
all we needde was one counterexample to show it to be false.
= (1- cosx)/sinx
≠ tanx
this is not an identity,
let x = 45°
tan45 = 1
csc45 - cot45 = √2 - 1 ≠ 1
all we needde was one counterexample to show it to be false.
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