Math, asked by shreya64, 1 year ago

cos2@ +sin2@+cos2@/cos2@=

lekhahasa: is it square or 2

Lunaticboyrk: Hey.........cos2 is divide the whole eq......or only cos2@

Answers

Answered by Lunaticboyrk

5

=cos2@+sin2@+cos2@/cos2@

=1+cos2@/cos2@

Now,break the fraction

=1/cos2@+cos2@/cos2@
=Sec2@+1

kvnmurty: since parentheses are not used, it is not clear what numerator is.

Lunaticboyrk: Yes sir.....that's why the ans is differ........

Answered by lekhahasa

4

cos²θ+sin²θ+cos²θ/cos²θ=1+1 [∵cos²θ+sin²θ=1]
=2

kvnmurty: since parentheses are not used, it is not clear what numerator is.

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