Question

prove: (1 + tan A)² + 1 - tan A)² = 2 sec²A​

Answer 1

Answer: UR REQUIRED ANSWER ;-

LHS .

⇒ (1 + tan A )² + ( 1 - tan A )²

⇒ 1 + 2 tan A + tan ² A + 1 -2 tan A + tan² A

⇒ 2 ( 1 + tan² A)

⇒ 2 sec² A = RHS

HENCE ,

LHS = RHS .

Step-by-step explanation: hope this will help u mate , need feedback plz

itz akansha.

Answer 2

ᴀʙᴏᴠᴇ ᴀɴꜱᴡᴇʀ ɪꜱ ʀɪɢʜᴛ ᴅᴇᴀʀ

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