MarshBR18 MarshBR18

10-05-2016
Mathematics

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Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Number 4

Help Number 4 class=

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Аноним Аноним

10-05-2016

sec xº=1/cox xº
cot xº=cos xº/sen xº

(sec xº)(cot xº)=(1/cos xº)(cos xº/sen xº)=(cos xº) /(cos xº * sen xº)=
=1/ sen xº=cosec xº

cosec xº=hypotenuse / opposite.

answer: hypotenuse / opposite.

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