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sin^2A+cos^2A=?????
explain it
Answers
Answered by
1
Answer:
sin²A+cos²A =1
Step-by-step explanation:
for any value of A,
we have the trigonometric identity, sin²A+cos²A =1
Answered by
1
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 :)
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