4 If 2 sin X = 1 (where X is the measure of an acute angle), then X = (a) 45° (b) 90° (c) 30° (d) 60°

Question

4 If 2 sin X = 1 (where X is the measure of an acute angle), then X =
(a) 45°
(b) 90°
(c) 30°
(d) 60°

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Verity 4 years 2021-08-31T12:54:29+00:00 1 Answers 20 views 0

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  1. Helga
    0
    2021-08-31T12:55:56+00:00
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    X = arcsin (1/2) = 30 degrees

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )