Question

answer this math questions​

Answer 1

Step-by-step explanation:

Given,

15cotA=8

cotA=8/15

=> tanA=15/8-------(tanA=1/cot A)

We know that,

tan Ø= Perpendicular/Base

Consider the attached figure, triangleABC

From Pythagoras theorem,

AC²= AB²+ BC²

AC² =15²+4²

AC²= 64+225

AC²= 289

AC = 17

sin A= Perpendicular/Hypteneous

sin A= Perpendicular/Hypteneous sin A = 15/17

sin A= Perpendicular/Hypteneous sin A = 15/17cos A= Base/ Hypteneous

sin A= Perpendicular/Hypteneous sin A = 15/17cos A= Base/ Hypteneouscos A= 8/17

cosec A= 1/sin A = 17/15

sec A = 1/ cos A = 17/8

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