Question

if cosec A is equal to root 2 then the value of 2 sin squareA + 3 cos squareA is​

Answer 1

Step-by-step explanation:

cosecA=√2=H/P

H^2=P^2+B^2

B=1

then, 2sin^2A+3cos^2A=2(p/h)^2+3(b/h)^2

now remaining in the photo

Finally, the answer is 5/2.