Question #1892e

1 Answer
Nghi N · Manikandan S.
Jan 29, 2018

cos x lies between --> #-1 \le cos x \le 1#.
So, this question, with cos x = 8, is not a correct one.

Note . To find sin x in this question, we can use the trig identity:
#sin x/(cos x) = tan x#
#sin x = cos x.tan x#
Next, find #csc x = 1/(sin x)#

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