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Lina20 [59]
3 years ago
10

Please help me with this problem

Mathematics
2 answers:
mixer [17]3 years ago
5 0

Answer:

1

Step-by-step explanation:

sin x = ½

x = π/6 = 30°

then

cos (x -π/6) = cos 0° = 1

alina1380 [7]3 years ago
3 0

Answer:

1

Explanation:

According to the Unit Circle, <em>sin</em> π\6 is ½, so we plug this into the cosine function to get this:

<em>cos</em> π\6 - π\6 → <em>cos</em> 0 >> 1

If you are ever in need of assistance, do not hesitate to let me know by subscribing to my You-Tube channel [USERNAME: MATHEMATICS WIZARD], and as always, I am joyous to assist anyone at any time.

** I do not have Unit Circle video uploaded yet, but if I need to, just notify me in the comments or on of course, You-Tube.

*** Plus, we need to make sure that the x-value falls in between 0 and π\2, which it did, so no need to worry.

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