Question

10. If cos A = 45°, then find the value of cosec? A.​

Answer 1

Step-by-step explanation:

cos A=45degrees=1/✓2.

A=45degrees.

cosec A=cosec 45.

cosec 45=1/sin 45.

cosec A=1/1/✓2=√2.

cosec A=√2=cosec 45 degrees.

cosec 45°=√2.

hence proved.

hope that it is useful.