cos38.sec(90-2A)=1 solve it....
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Answered by
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 =
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
4
Sec = 1/cos
cos 38 * 1/cos (90-2a) = 1
38(90-2a) = 1
3420 - 76a = 1
3420 = 76a
3420/76= a
45 = a
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