Math, asked by darshrey, 5 months ago

if cos a =2/5 find the value of (i)sin A (ii) 2 tan A/1+cot^A​

Answers

Answered by maruftheemkadon
0

Step-by-step explanation:

cos a =2/5

sin square A = 1-cos square A

therefore

sin square A = 1- 4/25

sin A = 21/√25

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