Question

If cosecA=7/4 prove that 1+tansquare A=secsquareA

Answer 1

Answer:

Step-by-step explanation

in a right traingle cosec A=7/4

1+tan*2 A=sec*2 A

1+sin/cos*2 A= 1/cos*2 A

4/7//√33/7*2=1//√33/7*2

4/√33*2=7/√33*2

16/33=49/33

0.48=0.48