Question

(b) If SinA - x cosA=0, show that secA. cosecA= x + 1/x

Answer 1

Answer:

SinA - cosA= 0

= sinA = cosA

=sinA = sin (90 -A)

If A < 90 .then

= (A) = (90- A)

=2A = 90

A = 45 …

So cosec A = cosec 45

CosecA = 1/sinA

Therefore

Cosec A = 1/ sin 45 = 1.414

Thats it :)

if A isn’t < 90 , there are formulas to solve this.

Step-by-step explanation:

hope it helps you

Answer 2

Answer:

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