15.(C) Does cos 60° = 1/2 mean that the side adjacent to the 60° angle measures 1 unit and the hypotenuse measures 2 units? Explain.

Q: What would be the shape of the graphr= 2 cos 0, given that 0 = 0, 7, 5, ? semi-circle in the first…

A:

Q: Z tan 45° п COS COS – 10 3

A:

Q: Find the exact value of cos(a - B) given that sina 4 and cos3 for 8. %3D a in Quadrant III and 3 in…

A: Given: sinα=-45 and cosβ=-58. Here, α is in 3rd quadrant and β is in 2nd quadrant. cosα-β is given…

Q: If y = cos*[sec2 (30)], and (6 y will be equal to? 9.

A:

Q: 4. Use your calculator to determine which value is greater in each pair. c. sin 48° or 2(s a. sin…

A: Solution Question 4(a) and 4(b) Given, sin36o  or  cos54o  cos89o or  sin1o   We have to find the…

Q: In right triangle ABC, mZA = 30° and mZB = 90°. Which of the following are true? 1. sin(A) = sin(C)…

A: topic- trigonometric identities

Q: 3. Find all angles 0 in the interval [0, 360°) that satisfy the equation tan 0 = 1.348. a) 0 to…

A:

Q: 4 9' Evaluate the other five trigonometric sin 0 = In a right triangle, 0 is an acute angle and…

A:

Q: a +beta)= cos(alpha+beta)= alpha +beta is in quadrant? sin(alpha-beta)= cos(alpha-beta)=…

A:

Q: 5. Convert the equation r = 3 – sin 0 to rectangular form. (That means, in terms of x and y. Your…

A:

Q: Calculate sin 45° and cos 45° exactly. Use the fact that the point P corresponding to 45° on the…

A:

Q: 11 If tan(r) (in Quadrant-I), find 16 cos(2r) (Please enter answer accurate to 4 decimal places.)

A:

Q: 4 5. Find the exact value of sin 105° using half-angle identity. 2+ V3 А. V2+ v2 С. B. V2 + V3 D. V2…

A: Given:  sin105o

Q: Look at triangle MNQ. 71 15 58° What is the value of x, to the neares tenth? 9. Triangle AZT is an…

A:

Q: 5. The expression tanz+1 1+cot" was simplified as follows. tar' s+1 = = sec" r csc I cos e cot? a…

A:

Q: 36. If cos(30+y)-- A) B) which would be sin(30-y)? C) pr D)

A: Topic:- trigonometry Note:- as per our guideline if more than one question uploaded than only first…

Q: 3 = -- and A is a negative acute angle. 4 What is the value of cos - A if tan A = -

A:

Q: cos(0)tan(8) sec? (ө) — 1 is written in terms of sin(e) only and simplified, what is the resulting…

A: Topic:- trigonometry

Q: A player hits a ball from the ground with an initial velocity of 85 feet per second at angle \theta…

A: Given that, In a projectile motion, Initial velocity (v) = 85 feet/second Angle is θ. and  cosθ = 13…

Q: 24 If tan(0) 0 <0 2 then 10 sin(0) equals cos(0) equals

A:

Q: 7 If cos x s and sin y = -0 < x <,n < y < *, evaluate sin(x – y) using compound angle formula. %3D…

A:

Q: 3. with Ae QIII , find sin24 7. If cosA = -.

A:

Q: 14. If sin® = , where 0° <0s 90°, what is 0? %3D

A: sin θ = 22sin θ = 12sin θ = sin 45°      θ = 45°

Q: 1) Evaluate. x cosh ax dx

A: As per guideline we have to solve one question

Q: 2. Which is the value of sin2 51° + cos? 51°? COS

A: We know that the trigonometric identity , sin 2 (A)  + cos2 (A) = 1

Q: If (Mesin(2) dx = e°sin(2») + C, then the M is equal to

A: On solving this we will get

Q: 12. If the sine ratio is given, then how can sin be determined?

A: The question says if sine ratio is given, then how can sinθ2 be determined.

Q: 4. If the sine ratio is given, then how can sin be determined?

A: if sine ratio is given. Find: How can sinθ2 be determined?

Q: What are the solutions of the equation sin a cot z = -- 12 on the interval [0, 2π)? Drag all correct…

A:

Q: (1) Previously, the known values of the sine and cosine function that we listed around the unit…

A: For 75°    sin75°  =  sin(30° + 45°)  =  sin30°cos45° + sin45°cos30°  =  12x12+12×32  = 3+122  =…

Q: Why is it that sin(t) ≤1 , cos(t)≤1?  What goes wrong if sin(t), cos(t) &gt;1?  What are the…

A: Trigonometric ratios –

Q: For this question, how would I solve for the SINE of theta, and the COS of theta for this particular…

A:

Q: 6 If csc B =6, e in Q2, find Sin(20) with

A:

Q: 1. If theta = arcsin(1/2) and 90deg < theta < 270deg, what is tan theta? 2. Find the value of…

A:

Q: If the cos of angle x is 8/17 and the triangle was dilated to be two times as big as the original,…

A: topic -  triangle geometry

Q: 5 Find the general solution: cos 20-cos 0+1 0 where 0 is an angle measured in degrees? %3D

A: The general solution includes all possible solutions typically including arbitrary constants. A…

Q: If sin 0 3 with cos 0 < 0 , find: tan 0 Uint, l+ may cow the

A: We have to solve

Q: 15) In right ABYE, ZY is a right angle. Cos(B) is . What is sine of ZE?

A: Sin E=Opposite/hypotenuse  Cos B=Adjacent/hypotenuse

Q: 3 If tant: π = and 0 < t < , find sint, cost, sect, csct, cott. 4 2 Enter the exact answers. 4 sint=…

A: Find out the trigonometric ratios.

Q: What is the exact value of cos(85°) cos(65°)– sin(85°)sin(65°) ,

A:

Q: If sec(α)=25.2/19.4, then what is the value of cos(α)?

A:

Q: 2. The terminal side of angle 0 in standard position goes through the point (-1,-5). a) sin(0) b)…

A: Recall the following. If the terminal side of the angle θ that passes through the point x, y, then…

Q: 10. Show that if A ia an acute angle, sin²A+ cos² A = 1

A: This can be solved using triangle

Q: 1. Suppose that cos = 0.68. What is the value of sin(=)? Explain.

A: First we assume cos(α)=0.68cos(α)= 68100 we know that  cos(θ)=adjacenthypotenuseLets mark the…

Q: 4. Why is a SSA ambiguous? Think about the range for y = sin¬1 x. Can the inverse sine ever return…

A:

Q: use a double- or half- form. to solue le equation angle [0, 2TT). in The interval [0, 21). 2 sin? ()…

A: Given,            2sin2θ=2+cos2θ

Q: What is the exact value of sin(67.5°)cos(22.5°)?

A: Solution-

Q: By comparing e3i0 = cos 30 + i sin 30 with ( ei8)3 = ( cos 0 + i sin 0)3, find the "triple angle"…

A: Euler's rule: ei3θ = cos3θ + i sin3θ   -------------------Eqn (1) Also, (eiθ)3 = (cosθ + i sinθ)3

Q: Suppose, for some angle 0 drawn in standard position, tan(e) = -24/7 and sin(0) < 0. Find the exact…

A:

Q: 4. Why is a SSA ambiguous? Think about the range for y = sin−1 ?. Can the inverse sine ever return…

A: