In golf your scores can be under or over par. If a golfer has 3 games in which he scores 3 under on the first, 5 over in the sec
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Okay so form a right angle triangle and the angle of that is 65 as it is right angle so 90 - 25= 65. label the sides like the pic below.
we have the hypothenuse as well as the angle and we are trying to find the o(opposite side)
o/h =sin
sin 65=23/h
sin 65 = 23/x
23/sin 65=x
x=25.4
how high the kite is above ground is :
= 25.4 +1.2
=26.6
we have the hypothenuse as well as the angle and we are trying to find the o(opposite side)
o/h =sin
sin 65=23/h
sin 65 = 23/x
23/sin 65=x
x=25.4
how high the kite is above ground is :
= 25.4 +1.2
=26.6
The measure of angle A is 30 degree, the value of tan A is 1/√3 and the area of triangle ABC is 280.6 squared inches.
<h3 /><h3>What is the law of cosine?</h3>When the three sides of a triangle is known, then to find any angle, the law of cosine is used.
It can be given as,
Here, a,b and c are the sides of the triangle and A,B and C are the angles of the triangle.
Triangle ΔABC has side lengths of a = 18, b=18√3 and c = 36 inches.
- Part A: Determine the measure of angle A
Put the value, in the cosine law, the measure of angle A.
- Part B: Show how to use the unit circle to find tan A
Using the chart of unit circle, the value of tangent A can be found out. The tangent A is,
- Part C: Calculate the area of ΔABC.
Use the following formula to find area of ΔABC.,
Thus, the measure of angle A is 30 degree, the value of tan A is 1/√3 and the area of triangle ABC is 280.6 squared inches.
Learn more about the law of cosine here;
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