Grade 10Trigonometry
(1+1/tanA)(1+1/cotA)=1/sinA-sinAProve that following
(1+1/tanA)(1+1/cotA)=1/sinA-sinA
Prove that following
1 Answer
Arun
Dear student
(1 + tan A/ tanA) (1 + cot A/ cotA)
= 1 + tan A*cot A + tanA + cotA
= 2 + sinA / cosA + cosA/sinA
= 2 + 1 / sinA cos A
= 2 + 2 / sin2A
Regards
Arun
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