SAHNI TRIGONOMETRY
Geometry
Level
2
Find the value of
cos58°+sin58°/cos58°-sin58°
tan45°
tan0°
tan58°
tan103°
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1 solution
Divide the Nr. and Dr. by cos 58°;
=>1+tan 58°/1-tan 58°
This is of the form..
=>1+tan x/1-tanx=tan(45+x)
=>tan(45+58)°
=>tan 103°