How do yo prove that #(1- \sin ^ { 2} \theta ) \csc ^ { 2} \theta = \cot ^ { 2} \theta#?

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Answer 1 · 2017-11-22T14:07:52

Below

Formulas:

#1-sin^2(x)=cos^2(x)#

#csc^2(x)= 1/sin^2(x)#

#cot^2(x)= cos^2(x)/sin^2(x)#

Proving Part:

#cos^2(x)*1/sin^2(x)#

#cos^2(x)/sin^2(x)=cot^2(x)#