9. tan 72° z 12. cos 1° =

Q: 197 Determine cos(sin c) if c = 9 radians. Enter an exact answer in terms of a. 3

A:

Q: 19 If x= cos 30 and y = sin 30 , then O a.-3 cot 30 O b. 3 tan 30 O C.-3 tan 30 o d.- cot 30

A: We have to find the differentiation like in the parametric form of differentiation . We have the…

Q: 7. If 0° < 0 < 90° and sin 0 =, find cos 20.

A: To find: The value of cos2θ. Given: The value is sin θ=35 and 0°≤θ≤90°. Formula used: Trigonometric…

Q: Find the exact value of sin 20, cos 20, and tan 20 using the double-angle formulas. cos 0 = 5 13 S…

A: Given cosθ=513We know that sin2θ+cos2θ=1sin2θ=1-5132        =1-25169        =144169Sinθ=-1213 (As…

Q: Determine the values of sin 20, cos 20, and tan 20, given 3 cos 0 = 1 and 0 ≤ 0 ≤ T 2°

A: We want to find the value of cos2x,  sin2x,  tan2x.

Q: 8 If tan 0=, T<0< find the exact value of each of the following. 5' 2 (a) sin (20) (b) cos (20) (c)…

A: We use Trigonometry ratios, double angle and half angle formulas

Q: If sin 0 = and cos 0= 12 9. %3D 15 15 what is the tan 0? tan 0 Report your answer in simplest form.…

A:

Q: Find the exact value of cos(2 tan−¹(-5₂2)). 12

A: Given cos2tan-1512

Q: 4.1- cos? 0 = sin 0cose tan 0

A:

Q: B O tan-1 cos 13 13 O cos 12

A: In this question we will use basic of geometry i.e use of trigonometric ratios. We will simply apply…

Q: 5) If tan e 5, find cos 0. (This should be an exact answer, not a decimal approximation.)

A:

Q: Find the exact value of cos α = 8/17, α lies in quadrant IV, and sin β = - 1/2, β lies in quadrant…

A: Given that α is in 4th quadrant. There sinα will be negative.  Given that β lies in quadrant III,…

Q: 5) Find the exact value of sin 80° cos 290°- cos 80° sin 290°

A:

Q: Find the exact value of cos 70° cos 40° + sin 70° sin 40°.

A:

Q: If tan 0 = 5 6 1 (a) sin (20) 31 2 πεθα· find the exact value of each of the following. 3 (b) cos…

A: Given that tan θ=56Since, we know that  tan θ=PerpendicularBase⇒  Perpendicular=5 and Base=6By…

Q: 10. If cose = /3 sin 0 then the exact value of tan 20 is: A. -V3 В. 23 1 С. D. 3

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Q: sec 30°cos 60° =

A:

Q: Hence or otherwise find the exact value of 2 sin 285 cos 45

A: Given  To find exact value of 2sin285 cos 45   Using formula

Q: Tt 6 cos +5 = -24 sin + 22)+5 for 0< t< 2n 75

A: Let's find.

Q: 15. Use Double- or Half-Angle Formulas to solve in the interval [0, 2n). 2 sin? 0 = 2 + cos 20

A:

Q: 13 Suppose that sec and 270° <0 < 360°. 0 Ө Find the exact values of sin and tan 2 2 गंत

A: Solution of given question is written in below steps.

Q: Find the exact value of sin 20, cos 20, tan 20, and the quadrant in which 20 lies. 9. sin 0 = , 0 in…

A: To find the exact value of sin 2θ, cos 2θ, tan 2θ, and the quadrant in which 2θ lies. sin θ=45, θ in…

Q: 4. Find the exact value of sec (585°). 5. Find the exact value of (sin 150°)? + (cos 150°)².

A:

Q: Find the exact value of cos(155°)cos(35°) + sin(155°)sin(35°). O A. -2

A: cos155ocos350+sin1550sin350 =?

Q: 5. When sin A = -– and A lies in Quadrant III and cos B = - Quadrant II, what is tan(A+ B)? - and B…

A: First find out the values of tanA and tanB than use the trigonometric formula of sum of angles and…

Q: 4. Find the exact value of cos(83°) cos(23°) + sin(83°) sin(23⁰)

A: As per rule of bartleby we can solve only one question at a time and we can solve only three subpart…

Q: Determine the exact value of 2 sincos cos 12 12

A: Given query is to find the exact value of the expression.

Q: 2. Find the exact value of sin 20 and cos 20 if sin 0 = and angle 0 lies in quadrant II.

A:

Q: snip

A: Trigonometric functions are elementary functions , the argument of which is an angle. Trigonometric…

Q: If cos 0 = and tan 0 > 0, then sin 0 = 13

A:

Q: 1+ sec?e = 1 + cos²0 sec20

A: Given:  Verify: 1+sec2θsec2θ=1+cos2θ

Q: 5 2. In right triangle ABC, mzB = 90°. If tan C = 12 find sin A

A: Trigonometry Right angled triangle problem

Q: 21 If tan 0 = 3 find the exact value of each of the following. 2 (a) sin (20) (b) cos (20) (c) sin 2…

A:

Q: Plz answer with step

A:

Q: Question 4 (sin(3t))^2(cos31)) dt

A: To evaluate the integral ∫sin23tcos3tdt Formula used: Power rule of differentiation ∫xndx=xn+1n+1+c…

Q: If cos 0 4' T soS 27, find tan 0 and sin 20 without using a calculator.

A: Given:cosθ=34 ; π≤θ≤2πNow, since sin2θ+cos2θ=1,sin2θ=1-cos2θ…

Q: 13. csc(330°) 14. tan(240°) 4 cos 3 15.

A:

Q: 41. tan 0, cos 0; 0 in Quadrant III

A: 41. tan θ , cos θ ; θ in Quadrant III

Q: 15 17 Vhat is the cos X of the triangle above? Vhat is the cos Y of the triangle above?

A: Since, we have been given a triangle such that XZ=15, XY=17 and YZOur Aim is to find :-(i) cos X of…

Q: 4 The value of [ cos* 30 sin° 60 de is

A: We need to calculate the given definite integral for which we will use the substitution.

Q: 4 1. Find the value of (icos-+ sin TT sin-) 8.

A:

Q: Compute the exact value of 13 T sin 12

A: Given query is to find the exact value of given sin function.

Q: sec 30°cos 60° = 1

A: NOTE: Refresh your page if you can't see any equations. . as we know,

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

A: This can be solved using triangle

Q: 5 5 find sec(0) 12 and tan(e) 13 If sin(0)

A: Given,

Q: 13 · 18* cos (18*) dx

A:

Q: 12 If tan(@) 0Sos, then %3D sin(0) equals cos(0) equals sec(A) eguals

A:

Q: 24 If tan(0) = 10.0 < 0<, then sin(0) equals cos(0) equals

A: giventanθ=2410=PBin a right angle triangle using Pythagoras…

Q: GIven that cose= 3 Sin e0 %3D find Sin 20 Cos 20 tan 20

A:

Q: 4. If tan 0 =E, x<0<, find the exact value of each of the following. 2' (a) sin (20) (b) cos (20)…

A: As we know that sin2A=2tanA1+tan2Acos2A=1-tan2A1+tan2A