Given that sinA = 12/13 and sin B = 3/5, where A is obtuse and B is
Question:
Given that sinA = 12/13 and sin B = 3/5, where A is obtuse and B is acute, find the value of:
a. sin(A + B)
b. cos(A − B)
c. tan(A + B)
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a To find sinA B we need to use the sum formula for sines sinA B sinAcosB cosAsinB To use this formu...View the full answer
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Related Book For
Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook
ISBN: 9781108407199
1st Edition
Authors: Sue Pemberton, Julianne Hughes, Julian Gilbey
Question Posted:
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