sin theta plus cos theta whole divided by 1plus tan theta into 1plus cot theta equal sin theta plus cos theta
Answers
Answered by
3
Let @= theta
[(Sin@+Cos@) ÷ {(1+Tan@)×(1+Cot@)}=(Sin@+Cos@)
Sin@+Cos@ are same in both sides then it cuts out
(1+Tan@)×(1+Cot@)=1
After opening bracket
1+Tan@+Cot@+1=1
Tan@+1/Tan@=-1
Tan²@+Tan@+1=0
By solving this eqñ @(theta) may be defined
[(Sin@+Cos@) ÷ {(1+Tan@)×(1+Cot@)}=(Sin@+Cos@)
Sin@+Cos@ are same in both sides then it cuts out
(1+Tan@)×(1+Cot@)=1
After opening bracket
1+Tan@+Cot@+1=1
Tan@+1/Tan@=-1
Tan²@+Tan@+1=0
By solving this eqñ @(theta) may be defined
Similar questions