2. If sin A = -35 with A in QIII and cos B = 5 13 with B in QIV, find the following. a. sin (A + B) b. cos (A - B) c. sin ( A /2 ) d. cos ( B/ 2 )

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: 3 3. If sin t =- 5 <t < 2n ,find the exact values of sin 2f, cos 2t , and tan 2t. 2

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

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Q: if cos A=1/2 with A in QIV find sin A/2

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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: 7. cos A = ar and sin B = 5 with A and B in QI. 13

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Q: Enter the EXACT value for each of the following. (a) cos( 0°) = and sin( 0°) = (b) cos( 45°) = and…

A: Answer is mentioned below

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: If sin (B) = -1/5 with B in QIII, find cos (B/2). cos (B/2) =

A: We have to determine the value of cosB2 when sinB=-15 We know that…

Q: If sin(θ) = 0.788, then what is the approximate value of csc(θ)?   1.269   4.717   0.212   0.788

A: Given that sin(θ) = 0.788 To find the approximate value of csc(θ)

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: sinθ = -1/3  and θ is in 4th quadrant it means cosθ also negrative    sin2θ = 2sinθ*cosθ    sin2θ=…

Q: 2. If 0° < 0 < 90° and cos 0 find sin 20. 3/55 32 V55 64 V55 32 3/55 64

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Q: If sin (A) = 4/5 with A in QII, find sin (A/2).

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

A: Here given as

Q: If 0 = then 3 %3D sin(8) = %3D cos(e) = %3D

A: We have  this can be also written as

Q: If sin A lind cos 2A

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Q: Given that cos(x)=0.61, what is cos(−x)?

A: We will solve the problem

Q: Recall that sin² e means (sin 6)2. 2 If sin e = find sin? e. sin? e =

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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: / Find the value of the following: 1) cos (tan- 1) 2) sin (sin-) -1 3) tan (cos n) cos (sin-1) 4)

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Q: Give the EXACT values for the quantities. (a) sin 19π/4 = (b) cos −14π/3 = (c) cos −5π/6

A: Note: - Since you have posted a question with multiple sub-parts, we will solve the first three…

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

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

Q: 2. Find the exact value of the following expressions: а) sec-- cos + sin b) sin 12 4 6

A: topic - trigonometric ratios

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: If sin A =V with 180 AS 270 find cos 2A and cos 65 Cos 2A = cos号 COS

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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 and cos a3D 13 12 what is the value of sec. 13 %3D O 13/2 O 13/2 17 O 17/2 26 O 7/2 26

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Q: Find the exact value of cos(A+B) if sin A = with A in QI and sin B 5 with B in QID = -

A: Given: sinA=35sinB=-513 To find the exact value of cos(A+B) COS(A+B)=COSACOSB-SINASINB COS2θ+SIN2θ=1

Q: If sin B = B in QI , find with B Cos 3– 2/2 Cos 3 + 3 COS 6 3- 22 6 cos 3 - 212 cos 3 3 + 3 CoS

A: Given that, sinB=13 Find the value of cosB2. We know the trigonometric formula's:…

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

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Q: If cos A= 21/3 and A is between 90° and 180°, find   sin A/2

A: Given : If cos A= 21/3 and A is between 90° and 180°,    Since, 90° &lt; A &lt; 180°…

Q: Given that cos x = 4/5 and x lies in QIV, determine the exact value of sin x/2

A: Use the formula cos 2θ=1-2sin2θ and substitute x2 for θ and then 45 for cos x.

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: If sin x = and t <x < 2 find cos (2x). Enter an exact answer. cos (2x) =

A: We have to find the value of cos(2x).

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

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Q: 0° < 0 < 90° and sin0= 7/25, find cos 0/2.

A: Given query is to find indicated angle. Given sin θ=725, 0&lt;θ&lt;90 Use the following identities:…

Q: if cos A=1/2 with A in QIV find sec A/2

A: Given  We know that

Q: Find (a) sin 2t, (b) cos 2t and tan 2t given the following: 1) cost = −5/13 , and π/2 0 3) tant =…

A: The detailed solution is given below Thank you

Q: If sin A = 15/17, sin B = 5/13, cosA = 8/17, andcosB = 12/13, what is the exact value of sin(A – B)…

A: Here we find the value of Sin(A-B)

Q: 1 Find the exact value of cos(20) if sin(0) O 3 7 9. /3 3 1/9

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Q: Given that the Sin x = E and lies in Q3, and Cos y = a and lies in Q4, find Tan (x+ y). You %3D 13…

A: Given : sin(x) = -3/5 and lies in Q3 and cos(y) = 5/13 and lies in Q4.   tan(x+y) =…

Q: Show that 7 sin? xdx L? cos? ædr I|

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Q: 1-Show that a + B a sina – sinß = 2cos(,")sin(,"P) 2

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Q: 1.1 if x=37° and y=44°, Calculate the value of sin'x + 2cos y 1.2 WITHOUT using calculator,…

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Q: If sin B with B in QIII, find the following. 3 B cos 2

A: We have to find the angle

Q: If sin B = − 1 5 with B in QIII, find the following. cos  B 2

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Q: – 57 then - If 0 : sin(0) = cos(0) = COS %3D

A: Given : θ = -5π/6 Then, sinθ = sin(-5π/6) = sin(-5×180/6) sin(-150) = -sin(150)         [∴ sin(-θ)=…

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

A: