問題文全文(内容文):
$0° \leqq \theta \leqq 90°$のとき
$\sin (90°+\theta)=$①____
$\cos(90°+\theta)=$②____
$\tan(90°+\theta)=$③____
$0° \leqq \theta \leqq 180°$とき
$\sin (180°-\theta)=$④____
$\cos(180°-\theta)=$⑤____
$\tan(180°-\theta)=$⑥____
⑦$\sin105°-\cos150°+\sin120°+\cos165°$の値は?
$0° \leqq \theta \leqq 90°$のとき
$\sin (90°+\theta)=$①____
$\cos(90°+\theta)=$②____
$\tan(90°+\theta)=$③____
$0° \leqq \theta \leqq 180°$とき
$\sin (180°-\theta)=$④____
$\cos(180°-\theta)=$⑤____
$\tan(180°-\theta)=$⑥____
⑦$\sin105°-\cos150°+\sin120°+\cos165°$の値は?
単元:
#数Ⅰ#図形と計量#三角比への応用(正弦・余弦・面積)#数学(高校生)
指導講師:
とある男が授業をしてみた
問題文全文(内容文):
$0° \leqq \theta \leqq 90°$のとき
$\sin (90°+\theta)=$①____
$\cos(90°+\theta)=$②____
$\tan(90°+\theta)=$③____
$0° \leqq \theta \leqq 180°$とき
$\sin (180°-\theta)=$④____
$\cos(180°-\theta)=$⑤____
$\tan(180°-\theta)=$⑥____
⑦$\sin105°-\cos150°+\sin120°+\cos165°$の値は?
$0° \leqq \theta \leqq 90°$のとき
$\sin (90°+\theta)=$①____
$\cos(90°+\theta)=$②____
$\tan(90°+\theta)=$③____
$0° \leqq \theta \leqq 180°$とき
$\sin (180°-\theta)=$④____
$\cos(180°-\theta)=$⑤____
$\tan(180°-\theta)=$⑥____
⑦$\sin105°-\cos150°+\sin120°+\cos165°$の値は?
投稿日:2014.10.16