Question

if sin3A= cos(A-26°) where 3A is an acute angle find A


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Answer 1

Step-by-step explanation:

Sure I will answer it for you mate,

sin3A = cos(A-26)

we know cos (90-A) = SinA

cos (90-3A) = cos(A-6)

90-3A = A -6

=96=4A

= A = 24 degrees

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Answer 2

Step-by-step explanation:

sin 3A equals to Cos A _26 the value of a equals to 29