andykuzy5447
03.02.2020 •
Mathematics
Urgent! plz
without using a calculator, evaluate
sin 32° /1 + tan 45° x 6 /cos 58°
you must explain how you arrived at your answer without a calculator.
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Ответ:
3.
Step-by-step explanation:
sin 32 / (1 + tan 45) * 6 / cos 58
= sin 32 / 2 * 6 / cos 58 ( since tan 45 = 1)
= 3 sin 32 / cos 58
Note sine 32 = cos (90 - 32) = cos 58, so we have:
= 3 sin 32 / sin 32
= 3.
Ответ:
B
Step-by-step explanation:
communitive property