Math, asked by choiii, 3 months ago

buktikan identitas trigonometri

tan a / tan a + cot a = 1 - cos² a

bantu yaa

Answers

Answered by gummadavellibhaskarr

2

Answer:

tanA/tanA+cotA

=tan²A/tan²A+1

=Tan²A/sec²A

=sin²A

=1-cos²A

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