13. Suppose sin n° = 15: Find cos nº and tan n° without using a table or calculator. 13

Q: If sin a = with < a < 2n, find cos - 2

A: Given,sin α = -35α = sin-1-35=323.13 degrees or 216.87 degrees.Since α is between 3π2=270 and 2π…

Q: 5. If 270° <0 < 360° and cos 0 = , find sin . 3. 3

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Q: 무 2. If 270° <θ< 360° and cos θ %3D 를, find sin 을. O -4 6 O -4

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Q: 24 7.

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Q: uppose that sin x= -1/2 and pi < x < 3pi/2 and that tan y= 5 and 0 < y < pi/2. find the following…

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Q: 2. Solve the following using an appropriate cofunction identity. sin 4 = = COS X

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Q: 17 5 with B in QIII, find 13 2. If sin A =with A in Ql and cos B a. cos(A + B) b. tan(A + B) C.…

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Q: sin(x) = 13/23 (in quadrant 1),find cos(2x)=

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Q: If sin = O a) 1/ Ob) _42 4√2 Oc) 4√2 Od) - O e) _4V/2 9 - 4√2 and is in quadrant IV, find sin (20).…

A: Given: The given equation is sinθ=-13, where θ is in fourth quadrant. To find: The main aim is to…

Q: . Find, without using tables, the values of Cos x and Sin x, when Cos 2x is : 1/8

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Q: 11. If 0° <0<90° and sin 6 = , find cos 0 using trigonometric identities. %3D 13

A: Explanation: Given that,  sinθ=1213 ;   0°&lt;θ&lt;90° We know that,  In trigonometric ratio:…

Q: 4. If 0° <0 < 90° and cos e= , find cos 20.

A: Here given as

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: 180°), determine without the use of a calculator and with the aid of a diagram the value of: cosß…

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Q: 2. Use your calculator and compute to 4 decimal places (a) cos(22°)

A: Part a,Given,          cos22°

Q: Given that the Sin a = and lies in Q3, ar Cos y = and lies in Q4, find Tan (x+ y). You %3D will use…

A: Given data: The given value of the sine function is sinx=-3/5. The given value of the cosine…

Q: If sin A lind cos 2A

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Q: your calculator and compute to 4 decimal places (a) cos(22°) Use (b) tan(/3) (c) csc(40°)

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Q: Find cos 6 given that sin(20) = 5/13 and 0<0 <

A: Use properties of right triangle to get value of thetha

Q: It is known that sin 36°=sin x and xe[0°,360°] . Write down all the possible value(s) of x

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Q: If sin A= 12/13 with A in Q2 find cos A/2

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Q: (Note: Check the answer by the calculator) sin 0 + In + 22+3 = -3 1-cos 20 In y? + 322- 4 = 2 2 +2ln…

A: Given system of equation can rewritten as : sinθ+ln1y+2z+3=-3lny2+32z-1-cos2θ2=421+cot2θ+2lny+2z=-3…

Q: **#1.) In right triangle MNO, MN = 10, MO = 15, and m2N = 90°. If sin0 = find the value of cos0.

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Q: 5. 3 If tan B = - with * <B < 2n , find cos (2ß). %3D

A: It is known that in the first quadrant all trigonometric ratios are positive, in the second quadrant…

Q: If sin A=1/√10 with A in QII find cos 2A.

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

A: Trigonometry Right angled triangle problem

Q: 1 Show that sin e 8 cos (20) + 2 cos (40).

A: We need to show that, sin4θ=38-12cos2θ+18cos4θ

Q: 2. Find sin 2t if cos t and "<t<TT. 13 2

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: . Find the following values without using a calculator. 1. cos () 2. sin (-) 3. cos(-57) 4. sin (5)…

A: 1)cos(11π3)=cos(4π-π3)               =cos(π3)             (cos(2nπ-∅)=cos∅)cos(11π3)=122)…

Q: 8. Apply the formula for cos (A-B) to the identity sin 0= cos E -0) to obtain the addition formula…

A: We have the Identity: sin θ=cosπ2-θ Now, we have sin(A+B)=cos π2-(A+B) (Using above identity)…

Q: 15. Find the following EXACT: (a) sin[cos'(2/3)] (b) sin[tan(-6)]

A: We use sin[cos-1(x)]= √(1-x2) and sin[tan-1(x)]=x/√(1+x2)

Q: uppose that sin(a) = 2/8 and cos(b) =1/9 define in the first quadrant, determine cos(a-b). (round to…

A: NOTE: Refresh your page if you can't see any equations. . here we have

Q: 5 1. If sec a with a in quadrant Il and cos B = with B in quadrant IV evaluate: 3 a) sin(a- B) b)…

A: If sec α=-52 with α in quadrant II and cos β=13 with β in quadrant IV, then to evaluate the…

Q: Find sin 2x, cos 2x, and tan 2x if tanx= and x terminates in quadrant II. 12

A: In second quadrant sin is positive and cos is negative

Q: If it is known that sin 0: and n<0 < find the exact value of cos(20). -

A: Consider the given value. sinθ=-13 The angle lies between third quadrant and the cosine function…

Q: S=-12/13 with A in Q3 and find sin

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

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Q: 2. If cos 4A = 23/49, find tan A %3D

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Q: Find sin 2x, cos 2x, and tan 2x if tanx and x terminates in quadrant III. 1/2

A: NOTE: Refresh your page if you can't see any equations. . and the angle is in the third quadrant…

Q: 4. If cos 0 = and tan 0 >0, then sin 0 = 13 O A 12 13 о в 5 12 С. 12 13 O D. 5 12

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Q: D. If 180° <0 < 270° and cos 0=-, find cos 15

A: We have been given the range for the angle from 180 degrees to 270 degrees.

Q: 12 If cos(a) = with T<a<- compute the exact value of the following: 2 cos(2a)=| sin tan)- 2

A: cos(α)=-22 with π&lt;α&lt;3π2

Q: 2. If 90° < 0< 180° and cos e = - 5, find sin 20. 37 420 1369 840 1369 840 1369 420 1369

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Q: 29. If sin (a) 3 5 -34 and cos<0, then tan = = 3 (b) (c) (d) 4 3 六

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Q: 17. Choose the best answer. (- - ) Ifain ( - ). cos z and sin 3 find cos 2 2 1 2 V3 2

A: Here we have to find the value of cos(pi/6).

Q: 11T If 0 = then 6 sin(0) = cos(0) Give exact values. No decimals allowed!

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Q: 5 If sin u = 13 12 cosu = 13 3 and cos W = 5 W = --, find the exact value of each of the following:…

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Q: 11T If 0 then sin(0) : %D cos(0) = Give exact values. No decimals allowed!

A: here we know that  sin2π - x = -sin(x) cos2π - x = cos(x)

Q: 11 Tt Evaluate cos e if sin e = and e is in quadrant II. Select one: 1+2/6 • 2/6-1 6. • 1-2/6 • 2/6…

A: Firstly calculate the numerical value of the question and verify by options.

Q: 13 6 Give exact answers. If csc(x) = = sin(-) = ³(²-) tan()=[ COS (in Quadrant 2), find

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