Question

Sin2A = Cos2A, A/2 =?​

Answer 1

Answer:

tan2A=1

2A=pi/4

A=pi/8

A/2=pi/16

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Answer 2

Answer:

11.25° or π/16radian (pi/16)

Step-by-step explanation:

sin2A = cos2A

but we know that,

sin 45° = cos 45° = 1/√2

So,

=> 2A = 45

dividing both sides by 4,

=> 2A/4 = 45/4

=> A/2 = 11.25

A/2 = 11.25 * π/180

=> A/2 = π/16radian (pi/16)

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