Which expression is equivalent to sin (1) cos(17) - cos (1) sin(15.)?

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asked May 9, 2022 196k views

1 Answer

Adi Darachi · Answer 1 · 2022-05-14T04:03:02+0000

Answer:

os 36°: The cosine of 36 degrees can be calculated by using a pentagon. ... sin 18° and sin 72°: Taking the equivalent sine and cosine values of 15° and 18° on ... I angle (the "I" in this expression stands for th

Explanation:

Which expression is equivalent to sin (1) cos(17) - cos (1) sin(15.)?

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