Question

Sin2 . Cot 2 + Cos2 . Tan2 =1

Answer 1

Answer:

Step-by-step explanation:

we need to prove that sin²a+cos²a=1

sin²a cot²a+cos²a tan²a=sin²a cos²a/sin²a+cos²a sin²a/cos²a

=cos²a+sin²a

=1

Answer 2

Answer:

how can you explain it to me