Math, asked by shettyshloka50, 3 months ago

cos²A-1/sin²A=-1
explain step by step

Answers

Answered by Shilajit790Ghosh

1

Answer:

PROVED

SEE BELOW!!

Step-by-step explanation:

LHS=cos²A-1/sin²A

=1-sin²A-1/sin²A

=-sin²A/sin²A

=-1/1

=-1

=RHS

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