Question

8. A, B, A + 2B, A + 4B are the angles between
0 and 90. Also, sin (A + 2B) =√3\2and
COS (A + 4B) = 0; A > B, then find A and B.


please answer me very fast​

Answer 1

Answer:

A=30, B= 15

Step-by-step explanation:

sin(a+2b)=√3/2

sin(a+2b)=sin60

a+2b=60

a=60-2b

cos(a+4b)=0

cos(a+4b)= cos90

a+4b=90

a=90-4b

60-2b=90-4b

4b-2b=90-60

2b=30

b= 15

a+2b=60

a+2(15) =60

a+30=60

a=60-30

a=30

Answer 2

Answer:

I hope its help you

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