Question

=cos
A A
=
sin (311 - A) cos(A - 1/2) tan (31/2 - A)
i)
cosec(131/2 + A) sec (311 + A) cot (A - 2)​

Answer 1

Step-by-step explanation:

ANSWER

sec

2

(tan

−1

2)+cosec

2

(cot

−1

3)=1+tan

2

(tan

−1

2)+1+cot

2

(cot

−1

3)

=2+(tan(tan

−1

2))

2

+(cot(cot

−1

3)))

2

=2+(2)

2

+(3)

2

=15