Math, asked by ageeat011gmailcom, 3 months ago

write the factors of-15g3h2k2

Answers

Answered by pratik1332

4

given that sec a -1/ sec a +1 =1-cos a/ 1+ cos a to prove LHS=RHS

now, sec a = 1/cos a so, (1/cos a-1) / (1/cos a+ 1)

==( 1-cos al cos a) / (1+cos a /cos a)

== 1-cos a / 1+cos a = RHS

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