Math, asked by rajeshrigawali45, 1 year ago

prove that cot²Φ-tan²Φ=cosec²Φ-sec²Φ

Answers

Answered by Abhimore39
2
L.H.S.= R.H.S. ......,...............
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Answered by btsarmyforever90
3

Answer:

l.h.s. =   {cot}^{2}Φ -    {tan}^{2} Φ

 =   {cot}^{2} Φ- 1 -  {tan}^{2} Φ + 1

 {cot}^{2} Φ - 1 - (  {tan}^{2} Φ - 1)

 =  \cos(ec)  {}^{2} Φ -  {sec}^{2} Φ

 = r.h.s.

L.H.S.=R.H.S.

Hence proved

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