Trigonometry Online Test

sin 30 tan 60 - cos 60 sec 30 . Its value is -----

2

2


If tan A =1 , then 2 sin A cos A =


If sin

=

4 / 5 , then


If tan A + sin A = m and tan A - sin A = n, then square of m - square of n = ----------


Choose incorrect option.


Which of following is true?


If tan ( A + B) =

3

and tan ( A - B) =

1 / 3 , then ------


If cot A = 4 / 3 , then ( 1 - sin A )( 1+ sin A)

( 1 - cos A )( 1 + cos A)


If sin A = cos B , then ----------


Q

P R

7 cm

In right

QPO , QR - QP =1 and PR = 7cm. Choose correct option
























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Up to 10th level CBSE

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Jyoti Mediratta
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