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If sin(a) = 12 13 where 0 < a < I and cos() = 15 Зл where 17 2 ·

Posted: Wed May 11, 2022 4:57 am

by answerhappygod

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If sin(a) = 12 13 where 0 < a < I and cos() = 15 Зл where 17 2 · <B < 21, find the exact values of the following. (a) sin(a + B) (b) cos(a – B) (c) tan(a – B) 171 220 x