Question

if sin a equal to cos a find the value of a​

Answer 1

Answer:

Step-by-step explanation:

Hope this will help you

Answer 2

$sin \: a = cos \: a$

$sin \: a = sin(90 - a)$

$a = 90 - a$

$2a = 90$

$a = 90 \div 2 = 45$

Hence a = 45

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