Question

please answer this solution​

Answer 1

Answer:

Hope it helped you!!

Step-by-step explanation:

Mulltiply up and down by

Answer 2

Step-by-step explanation:

√(1+cosA)/(1-cosA)

by rationalising the denominator

√(1+cosA)(1+cosA)/(1-cosA) (1+cosA)

√1+cos^2A / 1-cos^2A

√1 + cos^2A/ sin^2A

√(1 + cosA/ sinA) ^2

1 + cosA/sinA

1/sinA + cosA/sinA

cosecA + cotA