Math, asked by niharikab261, 11 months ago

cosec10 + cosec50 -cosec70

Answers

Answered by harivairamoy854l
0

Step-by-step explanation:

cosec 10 +cosec 50 +cosec 70

=cosec 130  

= cosec (90+40)

=(cosec 90 = sec ,sec 90= cosec)

=sec 40

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