Math, asked by preejal, 1 year ago

how cos 31 × cosec31 = 1

Answers

Answered by advocatemurlid7

2

Answer:

Step-by-step explanation:

Cos (90-31)×cosec (90-31)=1

Cos×1/cos × cosec×1/cosec=1

1×1=1

1=1

Hence proved

Answered by maroofahmad88

2

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