evaluate. cot ( 90-x )​
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Answer:
tan x
Step-by-step explanation:
it should be lie in first quadrant. And here the transformation takes place of cot into tan.
shaina789:
can u just explain little more ...
yeah sure
see (90-x) lies in fist quadrnat where all trignometric ratios are positive
so at (90-x) cot changes in tan also
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