[الشيمآء]

الحوت ^^

1
tan x = opp. / adj.
opp. = 8
adj. = 15
sin x = opp. / hypo
cos x = adj. / hypo
hypo^2 = opp.^2 + adj.^2
= 8^2 + 15^2
= 64 + 225
= 289
hypo. = 17
sin x = - 8 / 17
cos = - 15 / 17

2


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