Math, asked by krishnkowsik, 1 year ago

Find value of csc10+csc50-csc70.​

Answers

Answered by Roshinipushpika
2

Answer:

s

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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