เ. If cos ec θ-cote-p then the value of cosecU isequal to – InterviewSolution

1.

เ. If cos ec θ-cote-p then the value of cosecU isequal to

Answer»

cosec sqr A - cot sqr A = 1 = (cosec A - cot A)*(cosec A + cot A) ....eq1

cosec A - cot A = p ..... eq 2 given

usin eq 1 we have cosec A + cot A = 1/p ----------- eq3

add eq2 and eq3 we get 2 cosec A = p + 1/ptherefore cosec A = 1/2 (p + 1/p)

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