Math, asked by adhilsameera30, 1 year ago

3 cos 80 cosec 10°+2 cos 59° cosec 31

Answers

Answered by Pranjal129

12

Step-by-step explanation:

cos A = sin (90-A)

sinA cosecA = 1

therefore, 3cos80 cosec10 + 2cos59 cosec31

= 3sin10 cosec 10 + 2sin31 cosec31

= (3 × 1) + (2 × 1)

= 3 + 2

= 5

Answered by atmanirbharbalika

0

Step-by-step explanation:

Hope my answer I useful to you all

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