Math, asked by keniboi1, 1 year ago

answer from Trigonometry lesson

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Answered by ShxrynAngxl

2

tan A=1

tan 45=1

A=45

angle C = 180-(90+45)

angle C=45

thus

cos C

cos 45

$1 \div \sqrt{2}$

(one by root 2)

keniboi1: thanks girl

ShxrynAngxl: no problem

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