Question

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Answer 1

@RadEn

Answer 2

sec x = 1/cos x

Find cos B and the inverse of this will be sec B

Answer 3

i think you must find x, first
hint ; use pythagorean theorema

Answer 4

im confused..

Answer 5

15^2 + 36^2 = x^2
solve for x

Answer 6

do i add
225+1296

Answer 7

yes, and then take sqrt of it

Answer 8

@tanjung what about this one?

Answer 9

cos A = 36/x
true problem, u must find x again :)

Answer 10

i think that is similar pic, doen't it ? just copy and vaste from before