Math, asked by anshnthakkar, 9 months ago

If cosecA+cotA=4, find SinA

Answers

Answered by prajwalkanaginhal

1

Answer:

cosecA+cotA= 4

(cosecA+cotA)^2 = 4

Square on both the sides

cosec^2A+cot^2A+2×cosecA×cotA= (4)^2

cosec^2A+cot^2A+2×cosecA×1/cosecA= 16

cosec^2A+cot^2A+2 = 16

cosec^2A+cot^2A = 16 - 2

cosec^2A+cot^2A = 14

SinA = perpendicular / hypothesis

= √14/1

=

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