Question

Prove that (1-cos^2 A)cosec^2A=1

Answer 1

$(1 - cos {}^{2} a)cosec {}^{2} a = 1$

$sin {}^{2} a.cose c{}^{2} a$

$sin {}^{2} ( 1 \div sin {}^{2} )$

$1 = rhs$


$thanks$

Answer 2

Step-by-step explanation:

(1−cos

2

a)cosec

2

a=1

sin {}^{2} a.cose c{}^{2} asin

2

a.cosec

2

a

sin {}^{2} ( 1 \div sin {}^{2} )sin

2

(1÷sin

2

)

1 = rhs1=rhs