If cosec A + sin A =26/5 find cosec square A + sin square A
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19
cosec square A + sin square A
=(cosec A + sin A)^2 - 2Cosec A Sin A
=(26÷5)^2 - 2
=(676÷25)-2
=626÷25
=(cosec A + sin A)^2 - 2Cosec A Sin A
=(26÷5)^2 - 2
=(676÷25)-2
=626÷25
Answered by
22
cosec A + sin A = 26/5
Square on both sides,
(cosec A + sin A)^2 = (26/5)^2
cosec^2 A + sin^2 A + 2(cosec × sin) = 676/25
cosec^2 A + sin^2 A + 2(1) = 676/25
cosec^2 A + sin^2 A + 2 = 676/25
cosec^2 A + sin^2 A = 676/25 - 2
cosec^2 A + sin^2 A = (676 - 50)/25
cosec^2 A + sin^2 A = 626/25
i hope this will help you
(-:
Square on both sides,
(cosec A + sin A)^2 = (26/5)^2
cosec^2 A + sin^2 A + 2(cosec × sin) = 676/25
cosec^2 A + sin^2 A + 2(1) = 676/25
cosec^2 A + sin^2 A + 2 = 676/25
cosec^2 A + sin^2 A = 676/25 - 2
cosec^2 A + sin^2 A = (676 - 50)/25
cosec^2 A + sin^2 A = 626/25
i hope this will help you
(-:
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