Question

If 5 sec 0=13 then prove that sin0equal to 12\13​

Answer 1

Answer:

since

5sec@=13,

then

sec@=13/5,

then

cos@=5/13,

now

sin²@=1-cos²@,

sin²@=1-(5/13)²,

sin²@=1-25/169,

sin²@=(169-25)/169,

sin²@=144/169,

then

sin@=√(144/169),

sin@=12/13

Step-by-step explanation:

hope it helps dear......