if sin6A=cos(2A-6) find A
Answers
Answered by
2
Answer:A = 12
Step-by-step explanation:
Sin(6A) = cos(2A-6)
cos(90-6A) = 2A-6
90-6A = 2A-6
96 = 8A
A=12
Answered by
1
Answer:
A=12
Step-by-step explanation:
sin6A = cos (2A -6)
w.k.t. sinA = cos (90-A)
cos (90-6A)= cos (2A-6)
90-6A=2A-6
90+6= 2A+6A
8A= 96
A=96/8
A=12
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