plz solve this question!!
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i hope this helps you solve the problem plz mark as brainliest
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tmullagurip29jxy:
can you Mark as brainliest
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sin a= cos (90 -a)
cos (90-a)= cos ( 3a -30)
compare
90 -a = 3a - 30
120= 4a
a= 30
tan 30°= 1/√3
cos (90-a)= cos ( 3a -30)
compare
90 -a = 3a - 30
120= 4a
a= 30
tan 30°= 1/√3
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