Which of the following ratios could NOT be written using this triangle? (Choose all that apply) 36 15 R 39 39 O cos(T) = COS 15 15 O tan(R) 36 15 O sin(T) 36 15 O sin(R) = %3D 39

Q: You will be using sin¹¹, cos^¹, tan^¹. Find the following angles: i. sin 0 = 0.7071, 0= ii. cos A =…

A:

Q: A 5 4 B 3 C

A: Given :

Q: what is the degrees of cos θ/2 = 1

A:

Q: Evaluate the following expressions. Your answer must be an exact angle in radians and in the…

A: Given Data The interval of angle is [-π/2, π/2]   (a) The expression of angle is θ=tan-1(√3/3).…

Q: Choose the correct phrase to complete the statement: Angles A and B are the acute angles in a right…

A:

Q: A 37 35 12

A:

Q: (2) If cos(0) = and sin(0) = which quadrant does the angle belong to? Explain your answer in at most…

A: Given; Cos(theta)=40/41,  Sin(theta)=-9/41

Q: Determine whether the function f(r) = 4 tan(r) cos(r) is even, odd, or neither. i) Even ii) Odd iii)…

A: Given function, f(x)=4tan(x)cos(x)

Q: 4. Use a calculator to evaluate each trigonometric ratio, to four decimal places. 177 (d) sec 37 (a)…

A:

Q: Can someone explain how this math works because it's going over my head and doesn't seem right.…

A: Given data: sinθ=2425 θ is in Quadrant IThat is,0°<θ<90° Now, sinθ=2425Squaring both…

Q: 3 cose = 2.

A:

Q: What is cos(30°)? 30 2 V3 V[? cos(30°) COS Enter

A: We know that cos (theta)=opposite side/hypotenuse

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.