(1+sintheta)(1-sintheta)/(1+costheta)(1-costheta) evaluate if cot thet

1.	(1+sintheta)(1-sintheta)/(1+costheta)(1-costheta) evaluate if cot theta=7/8
Answer» ANSWER: (1-sinthita)(1+sinthita)/(1-costhita)(1+costhita)=1-sin2thita/ 1-cos2thita =cos2thita/sin2thita ( :1-sin2thita=cos2thita and 1-cos2thita= sin2thita) =COT2THITA And cotthita= 7/8 So cot2thita= 49/64 Step-by-step EXPLANATION:

(1+sintheta)(1-sintheta)/(1+costheta)(1-costheta) evaluate if cot theta=7/8

Answer»

ANSWER:

(1-sinthita)(1+sinthita)/(1-costhita)(1+costhita)=1-sin2thita/ 1-cos2thita

=cos2thita/sin2thita ( :1-sin2thita=cos2thita and 1-cos2thita= sin2thita)

=COT2THITA

And cotthita= 7/8

So cot2thita= 49/64

Step-by-step EXPLANATION:

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(1+sintheta)(1-sintheta)/(1+costheta)(1-costheta) evaluate if cot theta=7/8

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