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Solve for y given that y is acute and sin (3y – 50⁰) – cos (2y + 10⁰) = 0

Answers

Sin (3y – 50⁰) = cos (2y + 10⁰)
3y – 50⁰ + 2y + 10⁰ = 90⁰
5y – 40⁰ = 90
5y = 130⁰
y = 26⁰

Kavungya answered the question on November 13, 2019 at 10:49

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