Math, asked by Anonymous, 1 year ago

Hello Friend...

How r u now my question is here...

"If cos 7A=sin (A-6) where 7A is an acute angle .Find the value A????"...

Please answer...


SunnyPatel: answer is 12

Answers

Answered by CaptainBrainly
18
Hey Mate :
~~~~~~~~

Here is your answer :
____________________________

Given,

7A is an acute angle.

cos 7A = Sin ( A - 6 )

Sin ( 90 - 7A ) = Sin ( A - 6 )

90 - 7A = A - 6

90+ 6 = A + 7A

96 = 8A

A = 96/8

A = 12


HOPE THIS HELPS U...

priya791: right
Anonymous: incomplete answer bro cos A also satify the value 44°
tanu304: thanks Bro
tanu304: I was very busy
Answered by Anonymous
8
hi mates!!

here ur answer is

given

cos 7A=sin(A-6)
since 7A is an acute angle
since(90-7A)=sin(A-6)
(90-7A)=(A-6)
A=96
A=12degree


HOPE THIS WILL HELP U

Anonymous: incomplete answer as A can be 44° also
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