(3sin4α) / (5cos2α), если sin2α = 0,8. Created by lililimon. algebra-ru

(5cos2α), если sin2α = 0,8...

lililimon @lililimon

July 2022 1 7 Report

(3sin4α) / (5cos2α), если sin2α = 0,8

Answers & Comments

NNNLLL54

Verified answer

$cos2 \alpha =\sqrt{1-sin^22 \alpha }=\sqrt{1-0,64}=\sqrt{0.36}=0,6\\sin4 \alpha=2sin2 \alpha cos2 \alpha =2\cdot 0,8\cdot 0,6=0,96\\\frac{3sin4 \alpha }{5cos2 \alpha }=\frac{3\cdot 0.96}{5\cdot 0,6}=\frac{3\cdot 0,96}{3}=0,96$

1 votes Thanks 0

preobrazujte vyrazhenie trigonometricheskoe

Answer

lililimon July 2022 | 0 Ответы

dana trapeciya abcd postrojte figuru na kotoruyu otobrazhaetsya eta trapeciya pri s8e81269aefe9bd5b58fd6d7b0fef9244 63035

Answer

lililimon July 2022 | 0 Ответы

Answers & Comments

Verified answer

preobrazujte vyrazhenie trigonometricheskoe

dana trapeciya abcd postrojte figuru na kotoruyu otobrazhaetsya eta trapeciya pri s8e81269aefe9bd5b58fd6d7b0fef9244 63035

pomogiteesrochno i bystroproshu

3)...

рекомендуемые вопросы

Helpful Links

Helpful Social