if tana 3/4 find cosa and sina
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Step-by-step explanation:
tan x= 3/4
or. sin x/cos x= 3/4
or. (sin x)/3= (cos x)/4 =k(led)
or. sin x= 3k. , cos x=4k
sin^2x+cos^2x=1. =>. 9k^2+16k^2=1. or. 25k^2 = 1
k = +/-1/5
sin x= 3k = +/-3/5. Answer
and. cos x=4k = +/-(4/5). or sec x= +/-(5/4). Answer.
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