Asked by Anonymous
secx/sinx-sinx/cosx=cotx
Answers
Answered by
Steve
sec/sin = 1/sin*cos
1/sin*cos - sin^2/sin*cos
= (1-sin^2)/sin*cos
= cos^2/sin*cos
= cos/sin
= cot
1/sin*cos - sin^2/sin*cos
= (1-sin^2)/sin*cos
= cos^2/sin*cos
= cos/sin
= cot
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