Question

okkkkkkk!!!!
sin^2A+cos^2A=?????
explain it​

Answer 1

Answer:

sin²A+cos²A =1

Step-by-step explanation:

for any value of A,

we have the trigonometric identity, sin²A+cos²A =1

Answer 2

Step-by-step explanation:

Well, I guess it depends on where you want to stop! You can find a lot of stuff that say the same thing in trigonometry or even in Math, in life in general!

sin

2

A

cos

2

A

=

1

−

cos

2

A

cos

2

A

=

1

cos

2

A

−

cos

2

A

cos

2

A

=

sec

2

A

−

1

=

tan

2

A

I don't know in which form you've been asked to write your answer. Maybe, they just want you to say that it is equivalent to

tan

2

A

, which you can find from the very beginning.

Hope this helps :)