1,000 Places to See Before You Die (Deluxe Edition): The World as You've Never Seen It Before

1,000 Places to See Before You Die (Deluxe Edition): The World as You've Never Seen It Before

Matematika tentukan nilai x dan y pada gambar berikut!​

tentukan nilai x dan y pada gambar berikut!​

bagian a

mencari nilai x

cos 60° = x /8

x = cos 60° . 8

x = 1/2 . 8

x = 4 cm

mencari nilai y

cos 30 = y / 8

y = cos 30 . 8

y = 1/2√3 . 8

y = 4√3

bagian b

mencari nilai x

Tan 45 = 6/x

x = 6 / Tan 45

x = 6/ 1

x = 6 cm

mencari nilai y

sin 45 = 6 / y

y = 6/ sin 45

y = 6 / 1/2√2

y = 6√2

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