If sin
=
4 / 5 , then
If tan A =1 , then 2 sin A cos A =
Q
P R
7 cm
In right
QPO , QR - QP =1 and PR = 7cm. Choose correct option
If sin A = cos B , then ----------
If cot A = 4 / 3 , then ( 1 - sin A )( 1+ sin A)
( 1 - cos A )( 1 + cos A)
If tan ( A + B) =
3
and tan ( A - B) =
1 / 3 , then ------
Which of following is true?
Choose incorrect option.
If tan A + sin A = m and tan A - sin A = n, then square of m - square of n = ----------
sin 30 tan 60 - cos 60 sec 30 . Its value is -----
2
2