Math, asked by payal79, 1 year ago

plzzzzzzzzzzzzzz solve any one question

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Answered by Himanshukajaria
2
4.
(sin+cos)²+(sin-cos)²=2
sin²+cos²+2sin×cos+sin²+cos²-2sin×cos
sin²+cos²+sin²+cos²
1+1. (sin²+cos²=1)
=2
proved...

payal79: thank you so much☺
Himanshukajaria: welcome
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