Angle theta lies in the second quadrant, and sin theta = 3/5. What is cos theta and tan theta?

Question

Mathematics

Sage Baird

25 October, 01:43

Angle theta lies in the second quadrant, and sin theta = 3/5. What is cos theta and tan theta?

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Answers (1)

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Zaniyah Roberts · Answer 1

Hello,

1)

sin x=3/5==>x=126.869897 ... ° (since in quadrant II)

2) = = >cos x<0

cos x=-√ (1-sin ² x) = - √ (1-9/25) = - 4/5

tan x = (3/5) / (-4/5) = - 3/4

cotg x=-4/3 = 1/tan x

sec x=1/cos x=-5/4

cosec x=1/sin x=5/3