Question

From the adjacent figure, find the values of
i)sin theta+cos theta
ii)sin theta-cos theta
iii)sin theta×cos theta
iv)sin theta/cos theta
v)cos theta/sin theta
vi)cot theta
vii) tan theta
what do you notice?
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Answer 1

i) 7/5

ii) -1/5

iii) 12/5

iv) 3/4

v) 4/3

vi) 4/3

vii) 3/4

I noticed that :

i) theta = 37 degrees

ii)tan theta = sin theta / cos theta

cot theta = cos theta/ sin theta and 1/tan theta