Which of the following correctly shows the derivation of (cot z)? (A) (cot z) = (hr) tan (B) (cot x) = A B C D (C) (D) (cot z) = (cot z) = (a) tan () (az) tanz = = (tanz) -(tanz) secr tanz (1)-1(tana) tan² z tanz(1)+1(tanz) tanz (tan r)-0-sec tan²r tan 2-0+sec z tan'z sec² a tanz secr tan'z

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A: Given figure,

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A:

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A: We can make it easier for you.

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