Find the values of the other five trigonometric functions in each of the following:
(i) cot x = 12/5, x in quadrant III
(ii) cos x = -1/2, x in quadrant II
(iii) tan x = 3/4, x in quadrant III
(iv) sin x = 3/5, x in quadrant I
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Answer:
hey mate
Cotx = 3/4 where x lies in 3rd quadrant.
In 3rd quadrant :- tanx, cotx are positive . all rest are negative.
cotx = 3/4 = b/P
h = √(b²+P²) = √(3²+4²)=±5
tanx = 1/cotx = 4/3
Cosx = b/h = - 3/5
Secx = 1/cosx = -5/3
sinx = P/h = -4/5
Cosecx = -5/4
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