4. If Sin (A+B) = 1, Cos (A-B)=✓3/2 ,0 degrees <A+B<90 degrees, A>B, find the value of A & B
Answers
Answered by
3
Answer:
A=60°
B=30°
Step-by-step explanation:
Sin(A+B)=1
so, A+B=90. (sin 90=1)
Cos(A-B)=√3/2
A-B=30. (cos 30=√3/2)
by elimination,
A=60°
B=30°
Similar questions