with A in QIV, find the following. If cos A = sin A 스2

Q: If sin A = with A in QII, find the following. cos

A: Given,

Q: Provide the following identities: 1. sin(a – 4) + cos(a – ) = /2 sir

A:

Q: with A in QII, find the following. If sin A 5 Cos

A:

Q: Use the given conditions to find the exact value of the expression. 24 COs a = 25 sin a < 0, cos a…

A: The given trigonometric expression is cosα+5π6. The conditions given are cosα=2425 and sinα&lt;0.…

Q: If sin A = 3 with A in QII, find the following. A COS

A: Pythagorean theorem: -A right-angled triangle is subject to the Pythagorean theorem formula. In a…

Q: Use the exact values from show thatthe following are true.   cos 2 theta 30 0   + sin 2 30 0 =1 cos…

A: The values you will use : cos30∘=32sin30∘=12cos45∘=12sin45∘=12

Q: Evaluate te following inte rau cos @ do sin@

A:

Q: If 0°<θ<90° and sin⁡θ=12/13, find cos⁡θ using trigonometric identities. 12/13 5/13 12/5 5/12

A:

Q: Let sin A = 4/5 with A in QII and sin B = - 5/13 with B in QIII. Find sin(A + B), cos(A + B), and…

A: Let Sin A = 45  with A in QII    and Sin B = -513   with B in Q IIIFind Sin (A+B) , Cos( A+B) , and…

Q: Find 0, 0° < 0 < 360°, given the following information. cos 8 = 1 and e in QII e =

A: The solution for the above question is shown below.

Q: Evaluate cos[toi an 3.

A:

Q: If sin  A  = 5/13 with A ,find the following  cos A/2

A:

Q: 4. Use an appropriate half angle identity to find the exact value of cos15°.

A:

Q: If  sec ? = 5  with ? in QIV, find  cos ?,   sin ?,  and  tan ?.

A:

Q: Use the given conditions to find the exact values of sin(2u), cos(2u), and tan(2u) using the…

A: Calculate sin u using the identity sin2θ+cos2θ=1. sin2u=1--12132sin2u=132-122132sin2u=52132sin u=513…

Q: Given the following: sin a = and < a <n and cos ß = - and n< <B < a

A: Given: sinα=13, cosβ=-13; π2&lt;α&lt;π, π&lt;β&lt;3π2 we know that cosA+B=cosAcosB-sinAsinB…

Q: with A in QIII, and sin B = - in QII, find the following: 3 11. If cos A = a. cos -

A: cosA = -13 ,  where A is in III rd quadrant.    And    sinB = 34  ,  where B is in II…

Q: Given sin 0 = , where < 60 < , determine the value of cos VTO 10 3/10 10 O 3V10 10 10

A: We use cos (x)=√(1-sin2x) and cos (x/2)=√((1+cosx)/2). Thus ,option c is correct answer.

Q: 3 – 5 (cos (a) + cos²(ß)

A: Given: 3-5cos2α+cos2β

Q: If ß is such that sin 230, the of the following two values?

A:

Q: Let sin(30°) Enter an angle measure (3), in degrees, for cos(B) 1/2

A:

Q: If cos A=7/8  with A in QIV, find sin(A/2)

A: We have to find sin angle

Q: If cos A = with A in QIV, find the following. 2. sec A

A: To find the value of the following half angle,

Q: If sin (A)= 12/13 with A in QII, find cos (A/2). cos (A/2)=________

A: In second quadrant cos is negative

Q: Find the exact value of cos a/2 given that tan a = 15/8 ,a lies in Quad III.

A: Given: tan a=158 a is lies in Quadrant III. We have to find the exact value of cosa2 Use the…

Q: Let cos A = 2/√5 with A in QI and find sin(2A)=

A: In Q1 , sin is positive  So,

Q: If sin(a) and a is in QII, and cos(ß) = and B is in QIV, find cos(a+B)

A:

Q: Given ∆ABC, sin A= , cos A = , tan A =

A:

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: Use the given information tan α = 8/15, 180° &lt; α &lt; 270° to find the exact value of the…

A: Use the given information tan α = 8/15, 180° &lt; α &lt; 270° to find the exact value of the…

Q: If cos A  = 1/2 with A ,find the following  sin A/2

A: Given: cos A = 12 To find: sin A2

Q: If sin ZC AB= and AC = 15, what is the value of cos ZC AB? %3D O 1

A: Given Data: The length of the side  AC is: AC=15 The sine of the angle CAB is: sin∠CAB=35 The sine…

Q: cos s e + cscOsind| 2. sin²e

A: To simplify cos2θsin2θ+cscθsinθ

Q: () given that sin x .2, Eくxくπ Find cos and 13

A: Given: sinx=513  and   π2&lt;x&lt;πcosx2=?

Q: By considering the real and imaginary parts of the product eiθ eiφ prove the standard formulae for…

A: Given problem:- By considering the real and imaginary parts of the product eiθ eiφ prove the…

Q: 97. If sec a = 10/3, then what is cos a? %3D

A:

Q: Evaluate cos |a+ 3 if sin a = 3 and a is in quadrant II.

A:

Q: and Cos B are the s

A: Trigonometry: 4. sinα=-34 (Q4)cosβ=513 (Q1)sin(α+β)=sinα.cosβ+cosα.sinβ

Q: Simplify the following by using Demoiver's theorem. (1 – cos 0 + i sin 0)6

A: Consider the expression: A=1-cos θ+i sinθ6……1   Demoiver's theorem states that: cos θ-isin θn=cos…

Q: Evaluate the given: So sin" () cosº () dz cos 10

A:

Q: Given that 0 = 1, which of the following shows that sinecsce = 1?

A:

Q: If sin A = 3/ 4with A in QII, find cos A.

A:

Q: If cos A  = 1/2 with A ,find the following  cos A/2

A: We have, cos (A)=12.  Applying the trigonometric identity cos (2A)=2 cos2(A)-1, and making the…

Q: If sin  A  = 5/13 with A ,find the following  cosec A/2

A: Given: sinA=513 We know that, sin2A+cos2A=1⇒5132+cos2A=1⇒cos2A=1-25169⇒cos2A=144169⇒cosA=1213

Q: if csc a = √10 and a is in QII, find cos 2a

A: We have to find cos angle

Q: Verify the following trigonometric identity:cos4t−cos2t= sin4t−sin2t

A: The trigonometric identities can be verified by solving the left hand side and right hand side…

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

A: We have to find the angle

Q: Given sin a = - a € QIII, and cos ß = – ,BE QII, find the exact value of sin(a + B).

A: We have sinα =-35, α∈QIII cosβ =-22, β∈QII To evaluate : The exact value of sinα+β

Q: If  cos A= 1/2 with A in QIV, find cos(A/2)

A: