Question

if sec square theta+tan square theta=5/3 the value of theta

Answer 1

Answer:

Sec²@+tan²@=7,...........eq(1),

since

sec²@-tan²@=1,............eq(2),

now adding eq(1) and eq(2), we get

2sec²@=8,

sec²@=4,

then

sec@=√4,

sec@=2,

sec@=sec60°,

then

@=60°