Math, asked by angeldharitri, 1 year ago

Given 15 cot A=8,find sin A and sec A.

Answers

Answered by Swabha
6
15cotA=8

∴cotA=8/15

Let triangle ABC, right anlged at B

 

 

cotѳ=adj. side/ oppo.side

∴AB/BC=8/15

∴AB=8 & BC=15

by pythagoras theorm,

AC2=AB2+BC2

AC2=82+152

AC2=64+225

AC2=289

AC=17

∴sin A= 15/17 &

secA=17/8


angeldharitri: ty
Answered by Aaditya2003
1
15cot A =8
=>15cosA /sinA = 8
15 sinA secA =8
SecA is 8/15sinA
SinA is 15/8cosA
Hope u like it
Plz mark brainliest

angeldharitri: the answer is sinA=15/17 sec A=17/8
Aaditya2003: Ya I know
Aaditya2003: Actually before completing it showed a problem and only half the answer is posted, only the first part and the last
Aaditya2003: Extremely sorry for disappointing you
angeldharitri: it's okk yrr
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