Math, asked by AMANPATHAK1, 1 year ago

cos²67°-sin²23°? What is the value

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Answered by untoldstory
7
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Answered by mEshaa
13
Cos²67 - Sin²23

Sin² ( 90 - 67 ) - Sin² 23

Sin² 23 - Sin ² 23

= 0

AMANPATHAK1: thx
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