21. If tan e + sec e = p, then prove that sin e = (p2 -1) / (p? +1).
(OR)
Prove that: sec 2e – {(sin 2 0 – 2sinº e)/ (2c

Question

21. If tan e + sec e = p, then prove that sin e = (p2 -1) / (p? +1). (OR) Prove that: sec 2e - {(sin 2 0 - 2sinº e)/ (2cos 4 e-cos 20)} = 1​

Brielle · Answer

Answer:   don't know so I can't give answer

Eloise · Answer

interesting question but I will do it tomorrow

21. If tan e + sec e = p, then prove that sin e = (p2 -1) / (p? +1).(OR)Prove that: sec 2e – {(sin 2 0 – 2sinº e)/ (2c