If sin2A = COS(A -18°), then the value of A is
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Answered by
9
Answer:
a is 54 bro
Step-by-step explanation:
sin2a=cos (a-18)
cos (90-2a)=cos (a-18)
90-a=a-18
-2a=-108
a=54
Answered by
10
sin2A=cos(A-18)
cos(90-2A)=cos(A-18)
90-2A=A-18
108=3A
A=36
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