Penjelasan dengan langkah-langkah:
a. cos 1.334° = cos (4×360 – 106)
= cos 106° = cos (90 + 16)
b. tg 795° = tg (2×360 + 75)
= tg 75°
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Penjelasan dengan langkah-langkah:
a. cos 1.334° = cos (4×360 – 106)
= cos 106° = cos (90 + 16)
= – sin 16°
b. tg 795° = tg (2×360 + 75)
= tg 75°
= ctg 15°