If sin A = cos(A + 30 degrees) the value of cosec A + sec A tan A-tan A cosec A cos
Answers
Answered by
0
Step-by-step explanation:
Correct option is B)
the value of (cosecA−sinA)(secA−cosA)(tanA+cotA) is
=(
sinA
1
−sinA)(
cosA
1
−cosA)(
cosA
sinA
+
sinA
cosA
)
=(
sinA
1−sin
2
A
)(
cosA
1−cos
2
A
)(
cosAsinA
sin
2
A+cos
2
A
)
=
sinA⋅cosAcosAsinA
cos
2
A⋅sin
2
A⋅1
Similar questions