. If Sin (A+2B) = 1/2 and Cos ( A+4B) = 1/√2, A>B then find A and B.
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A = 15⁰
B = 7.5⁰
Step-by-step explanation:
Sin (A+2B) = 1/2
A+2B = 30⁰..................i
Cos ( A+4B) = 1/√2
A+4B = 45⁰....................ii
subtract i from ii
2B = 15⁰
B = 7.5⁰
put value of B in (i)
A +15⁰=30⁰
A = 15⁰
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