Question

Prove that
2 tan
(i)
sinA=
A
2.
2 A
2
1 + tan
(ü)
1 - tan
2 A
2
COSA=
2 A
1 + tan
2
f​

Answer 1

Answer:

wtf is this!!

Step-by-step explanation:

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Answer 2

Answer:

good afternoon have a nice day had your lunch and take care bye