Question

sin^2 A + cos^2 A = ?​

Answer 1

Answer:

sin^2 +cos^2 =1

Step-by-step explanation:

it is an identity

Answer 2

Step-by-step explanation:

${ \sin }^{2} a + { \cos }^{2} a = 1$

also

${ \sin }^{2} a = 1 - { \cos }^{2} a$

${ \cos }^{2} a = 1 - { \sin}^{2} a$

HOPE it helps you

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