Math, asked by mizan69, 9 months ago

if sin 3a=cos 4a then the value of 7 a is

Answers

Answered by irfanarufi2

0

Answer:

90

Step-by-step explanation:

Sin 3a=cos 4a

3a=sin^-1(cos4a)

=sin^-1(sin(90-4a))

3a=90-4a

3a+4a=7a=90

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