bantu Buktikan dong [tex]sin^{2} \alpha(1 + tan^{2} \alpha ) = 1[/tex]

Question

Matematika Diposting : 2018-03-15 Diupdate : 2018-03-27 Dvdson

Pertanyaan

bantu Buktikan dong

[tex]sin^{2} \alpha(1 + tan^{2} \alpha ) = 1[/tex]

$bantu Buktikan dong [tex]sin^{2} \alpha(1 + tan^{2} \alpha ) = 1[/tex]$

Answer 1

cos²α(1+tan²α) = 1

cos²α . sec²α = 1

cos²α . 1/cos²α = 1

1 = 1

sin²α(1+cot²α) = 1

sin²α . csc²α = 1

sin²α . 1/sin²α = 1

1 = 1

Answer 2

semoga mmbantu. jgn lupa tandai