ASSIGNMENT 3: SINE LAW b C a The Sine Law equation is given as Sin A Sin B Sin C Using this equation, if a triangle ABC has angle C = 106 °, angle A = 31 ° and side c = 10 cm. Solve the triangle ABC by finding angle B and sides b and a. B c=10cm 106/ 31° b A
5. Use the half-angle formulas to determine the exact values of sine, tangent, and cosine of the angle, π/8.
Question 6. Solve for the unknown angle measure, round to the nearest degree. 12 13 filroy 6. Solve for the unknown angle measure in sin 7 25.2 sin 380 23.7 Round to the nearest degree. (2 marks) COMMUNICATION 1. In ARST, 9 cm, s= 13 cm, and ZT - 390. Can you use cosine lay to determine t? Fynlain (2 mark)
Snell's law can be used to solve for the index of refraction of a medium if the _____ is known. angle of incidence angle of refraction index of refraction of the other medium All of the above . Total internal reflection occurs when the angle of incidence is _____ the critical angle. greater than equal to greater than or equal to None of the above When the slope of a graph is the index of refraction for a material and...
cos theetha also Use Identities to find the values of the sine and cosine functions for the following angle measure. 56 e, given that cos 20 = - 65 and terminates in quadrant II sin 0 (Type an exact answer, using radicals as needed. Rationalize all denominators.) 5.5.15 Use identities to find values of the sine and cosine functions for the angle measure. , given that cos20 = -56 65 and 0° <o<90° sino = (Simplify your answer, including any...
Determine the measure of the interior angle at vertex A. It is a pentagon, at vertex A is 3x This is how it is set up 4x 4x 4x 3x 3x vertex A Answers A. 150 B. 50 C.90 D.30 The answer is 90 but can't figure out how they got it.
What are the values of sine and cos O if the terminal side of angle o intersects the unit circle in the first quadrant at 23 ? Report your answer in fraction form. of the terminal side of angle 0 is in the first quadrant and cos(0) - , what is the exact measure of on
Use Snell's Law to solve for the critical angle within the terms of and . = 90 degrees We were unable to transcribe this imageWe were unable to transcribe this imageWe were unable to transcribe this imageWe were unable to transcribe this imagen, n n, n Fig. 4. Reflection and refraction with θ (left) and total internal reflection with θι > θc (right).
14 tanec.00626 Sine:.0067 strought oso.999 How is O related to ez? 11 11 A How is by related to es? a " " " OT 10. A tree 100m tall casts a shadow 120 m long. Find I the measure of the angle of elevation of the sun Determine BC,CD, and AB. 25m D
Two sides and an angle (SSA) are given. Use the appropriate Law (Law of Sines or Cosines) to determine if there are 1, 2, or no triangles possible. B = 40°, b = 6, a = 29 O2 Triangles 1 Triangle O No such triangle is possible.