Math, asked by utsabbanik0, 3 months ago

cos a = 5/13 0° < a <90° prove that cosec a + cot a = 3/2

Answers

Answered by mbakshi37

1

Answer:

Cos a = 5/13

==> Sin 12 /13 ( Pythagoras)

==> cosec = 13/12

==> Cot = 5/12

so asked : Cosec + Cot = 13/12+5/12= 18/12 = 3/2

Step-by-step explanation:

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