Math, asked by angelmini, 1 year ago

(tanΦ+2)(2tanΦ+1)=5tanΦ+secΦ

Answers

Answered by 7255987278

0

LHS= (tan¢ +2)(2tan¢+1)
=2tan²¢ +tan¢+4tan¢+2
=5tan¢ +2(1+tan²¢)
=5 tan¢ +2 sec²¢
LHS = RHS.
proved.
please mark me brainliest

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