pls solve 31st question its urgent
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9
Hope this helps you ☺☺
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pakhee9:
thank you so much for help
:)
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7
HELLO DEAR,
4/cot²30 + 1/sin ²60 - cos²45
= 4/3 + 1/(3/4) - 1/2
= (4 + 4)/3 - 1/2
= 8/3 - 1/2
= (16 - 3)/6
= 13/6
I HOPE ITS HELP YOU DEAR,
THANKS
4/cot²30 + 1/sin ²60 - cos²45
= 4/3 + 1/(3/4) - 1/2
= (4 + 4)/3 - 1/2
= 8/3 - 1/2
= (16 - 3)/6
= 13/6
I HOPE ITS HELP YOU DEAR,
THANKS
thank you so much
cos45=1/√2 hota h
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