tan 75 tan 15 - sin 15 sec 75
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Answered by
4
Answer:
ᕼOᑭᗴ IT ᕼᗴᒪᑭՏ YOᑌ ᗰY ᖴᖇIᗴᑎᗪ
Step-by-step explanation:
=tan(90-15)tan15-sin(90-75)sec75
=cot15×1/cot15-cos75×1/cos75
=1-1
=0
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0
Answer:
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Step-by-step explanation:
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