Question

If sin A =cos A then the value of A
a)45°
b)30
c) 60°
d) 90°​

Answer 1

Step-by-step explanation:

Sin A = Cos A

so A = 45° = 1/√2

Answer 2

Answer:

sinA = cosA

cos(90-A)=cosA

cosA is cancled on both side

then,

90-A=A

2A=90

A=45