100 Days of Believing Bigger: Devotional Journal

100 Days of Believing Bigger: Devotional Journal

Matematika sin 45° × sin 15° / cos 135° × cos 105° =...
Ezz soalnya

sin 45° × sin 15° / cos 135° × cos 105° =...
Ezz soalnya

Penjelasan dengan langkah-langkah:

sin 45° x sin 15°

cos 135° x cos 105°

= ½√2 x ¼(6 2)

–½√2 x ¼(√2 – √6)

= (√6 – √2)

–(√2 –√6)

= (√6 – √2)

(√6 – √2)

= 1

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