Calculate the ratio for cos 65° in the triangle to the right. Do not use he trigonometric function keys on a calculator. 50 650 21 D 45

Q: Find the value of tan (90°- θ). A.cot  θ B.sin  i

A: Find the value of tan (90°- θ).

Q: A steel girder 27 feet long is to be moved on rollers along a passageway 8 feet in width and into a…

A: Consider a right angled triangle ABC as shown below. From this triangle sinθ=OppositeHypotenuse,…

Q: Ramir can do a job in 0.5x hr, Paul can do it in x hrs and Dona can do it in 1.5x hours. Working…

A:

Q: 25° 65° 30 ft

A:

Q: sin0 cot0+ csco 1+cose

A:

Q: 6. Evaluate. 2 cot (270°) + 7 cos (180°) + 3 sec (360°) A. 4 B. 10 C. D.

A: Given: Cot(270°)+7cos(180°)+3sec2(360°) First we will calculate Cot(270°) Since TI-30XIIs calculator…

Q: Write as a trigonometric function of a single angle, then evaluate. Round to the nearest…

A: using the formula sinA cosB -cosA sinB  =sin(A-B)

Q: Find the cos 43.5°

A: We can solve this as follows:

Q: What is 300° in radians? 57 5л (A) (B) (C) (D) 12 6 3 O D

A: Here is the solution

Q: а. 2.5cm 5cm

A: Consider the triangle

Q: 144° expressed in radians is _____.

A:

Q: In the right triangle ABC, AB = 2, BC = 4 and ED is a line parallel to AB. Find the angle a = angle…

A:

Q: How many radians is 360°?

A: To convert degree to radian , multiply the given angle by (pi/180)

Q: solution. *Find the angle of the largest right circular cone which can be inscribed in a sphere of…

A: