Question 18
If $4{{\sin }^{2}}x-3=0$ find the value of x when $0{}^\circ \le x\le 90{}^\circ $
Trigonometry
Question 8
Given $\sin 58{}^\circ =\cos p{}^\circ $ find p
Question 2
The angle of elevation of the top of a tree from a point on the ground 60m away from the foot of the tree is 78°. Find the height of the tree correct to the nearest whole number.
Question 5
If $\tan \theta =\tfrac{5}{4}$, find ${{\sin }^{2}}\theta -{{\cos }^{2}}\theta$
Question 39
A boy moves from a point P to another Q due north. He then moves same distance to another point R due east. What is the bearing of R from P
Question 25
From the top of a tree, the angle of depression to a point on the ground 5m away is 60o. Find the height of the tree.
Question 12
Given that θ is an acute and $\tan =\tfrac{12}{5}$ find sin θ
Question 27
In a right angled triangle, if $\tan \theta =\tfrac{3}{4}$ what is $\cos \theta -\sin \theta $?
Question 26
From the diagram above, find the value of x correct to one decimal place
Question 9
Find the value of X in the figure above