Answer to Question #117765 in Trigonometry for Abdul Adil

Question #117765

Find the value of following 1. 4cot45O – sec60O +sin30O

Expert's answer

1. 4cot45°- sec60° +sin30°

4cot45°=4×1=4;

sec 60°=1/cos 60°=1/0.5=2;

sin 30°= 1/2;

4cot45°- sec60° +sin30°= 4-2+1/2=2+1/2=5/2=2.5

Answer: 4cot45°- sec60° +sin30°= 5/2

Learn more about our help with Assignments: Trigonometry

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. Solve for each triangle. Round answers to nearest tenth. Triangle PQR angle P= 39, r=31 and p= 29
2. Solve each triangle. Round answer to nearest tenth. Triangle RPQ angle P=18 degrees angle Q= 122 deg
3. Jack and Jill ran up a hill to fetch a pail of water. They ran 100m to get to the top of a 30m tall
4. In △ ABC, ∠C = 30o , c = 8.2cm, and b = 12.2cm. Draw the triangle(s) and show 2 cases if the
5. Maria says that sin A= disagree 12/18, cos A= 9/18, and tan A= 12/9. Do you agree or disagree? If yo
6. In a circle of radius 30 inches, a central angle of 35 will intersect the circle forming an arc of l
7. Let w be a negative real number, z a 6th root of w. a) Show that z(k) = p^1/6 [cos ( pi + 2 * k* p