Math, asked by akritichhetri2005, 7 months ago

Find the value of 4 cos 50 degree cosec 40 degree

Answers

Answered by itzshrutiBasrani

1

Step-by-step explanation:

cos 50 degree × cosec 40 degree

= cos 50 degree × cosec ( 90 - 50 ) degree

= cos 50 degree × sec 50 degree

= cos 50 degree × 1/(cos 50 degree )

= 1 .....

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