Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

Online Quiz (WorksheetABCD)

Questions Per Quiz = 2 4 6 8 10

High School Mathematics - 210.18 Trignometry Review

 Function 0o 30� 45� 60� 90� sin �0/2 �1/2 �2/2 �3/2 �4/2 cos �4/2 �3/2 �2/2 �1/2 0 tan 0 �3/3 1 �3 undefined sec 1 2�3/3 �2 2 undefined csc undefined 2 �2 2�3/3 1 cot undefined �3 1 �3/3 0

 sin cos tan 0 0 1 0 90 1 0 infinity 180 0 -1 0 270 -1 0 infinity   Functions of angles in all quadrants in terms of those in quadrant 1
 -A 900 � A P/2 � A 1800 � A P � A 2700 � A 3P/2 � A 3600 � A 2P � A sin -sinA cos A �sin A -cosA �sin A cos cos A �sin A -cos A �sin A cos A tan -tan A �cot A � tan A �cot A �tan A csc -csc A sec A � csc A -sec A �csc A sec sec A � csc A -sec A �csc A sec A cot -cot A � tan A � cot A �tan A � cot A

 Q 1: A person standing on the bank of a river, observes that the angle subtended by a tree on the opposite bank is 60 degrees, when he retires 40 metres from the bank, he finds the angle to be 30 degrees. Find the height of the tree.20 metres34 metres64 metres Q 2: cos 75oAnswer: Q 3: Find the radian measure of 15o. /6 /12 /4 Q 4: The horizontal distance between two towers is 60 metres and the angular depression of the top of the first as seen from the top of the second, which is 150 metres is 30o. Find the height of the first.120 metres100 metres115.36 metres Q 5: The angles of a triangle ABC are in AP and b:c = 31/2:21/2. Find angle A.45 degrees60 degrees75 degrees Q 6: Find the angle in radian through which a pendulum swings if its length is 75 cm and the tip describes an arc of length 10 cm2/154/153/15 Q 7: In triangle ABC, a = 8.4 cm, b = 7.6 cm and c = 9.2 cm. Calculate the area of triangle ABC.50 sq. cm45 sq cm30 sq cm Q 8: What is the angle of elevation of the sun when the length of the shadow of a pole is 31/2 times the height of the pole?90o60o30o Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!