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TrigonometryQ&A LibraryFind the exact value of the expressionscos(a + B), sin(a + B) and tan(a + B) under the following conditions:4015B lies in quadrant II.sin(a) =a lies in quadrant I, and sin(B) :4117a. cos(a + B) =(Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.)b. sin(a + B) =(Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.)c. tan(a + B) =O(Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.)Question

Asked Feb 13, 2020

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