Grade 11Trigonometry
Tan theta+cot theta =2,then fnd the value of tan100theta+ cot 100 theta
1 Answer
Arun
tan theta + cot theta = 2
sin theta/cos theta + cos theta/ sin theta = 2
1/(sin theta * cos theta) = 2
sin 2theta = 1
theta = pi/4
tan 100pi/4 + cot 100pi/4 = tan 25pi + cot 25pi = 0 + infinity
than 100theta + cot 100theta = infinity = not defined
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