Math, asked by ruchijaiswal1977, 1 year ago

cos38.sec(90-2A)=1 solve it....​

Answers

Answered by kings07
2
Answer:

Explanation:

I think it goes like this:

Sec = 1/cos

cos 38 * 1/cos (90-2a) = 1

38(90-2a) = 1

3420 - 76a = 1

3420 = 76a

3420/76= a

45 = 

Answered by llxdevilgirlxll
4

\huge\red\star{Answer}\red\star

<font color=blue>Sec = 1/cos

cos 38 * 1/cos (90-2a) = 1

38(90-2a) = 1

3420 - 76a = 1

3420 = 76a

3420/76= a

45 = a

\huge\red\star{Thanks}\red\star

Similar questions