11) Write expression in terms of Sin0+ Cose, then simplify. 1+ tan20 1+ cot20 %3D tes

Q: Write expression in terms of Sin0+ Cose, then simplify. 1+ tan20 1+ cot20

A:

Q: Use addition formulas and the values of sin(ø) and cos(ø) for ø=pi/3 , pi/4 to compute sin(pi/12)…

A: Use formulae: also, make use of:

Q: Use the fundamental identities to simplify the expression. sin 0 cos 0 sec0 csc0 Paragraph BIU

A:

Q: 24) Find the exact value. Do not use a calculator. sin 150° – tan 60° + cos 45°

A:

Q: Give the exact value of sin 5 pi/3

A:

Q: Find the exact value. (Decimal answers are not accepted.) sin( – 510°) cos( – 510°) =

A:

Q: Find a cofunction with same value as tan 59°. The cofunction is ?

A:

Q: Use the Difference Formula for Cosines to Find the Exact Value of cos 80° cos 20° + sin 80° sin 20°.

A: We have to find the value of cos80°cos20°+sin80°sin20° using the difference formula for Cosines. We…

Q: Let tan 0 = 2 with 0 in QI and find the following. sin 20

A: Given that : tan(θ) =2 with θ in quadrant I.

Q: Assume that 0≤ θ < π/2, Find sin θ, cos θ, and sec θ if cot θ = 4.

A: As value of sinθ and cosθ revolves around +1 to -1 , they take different values depending on the…

Q: What is the value of sin(135°)?

A:

Q: 6. Use the fact that cos to find the exact value of tan 2 and csc- 24 48

A:

Q: Evaluate, using the tables if necessary. (sin 30•)2 . cos 180° + tan 0 - cot (-45). 3/4 5/4

A: To find: sin 30°2·cos 180° + tan 0° - cot-45°

Q: Now, please follow the example and complete: sin () = a) 157 b) cos 137 c) tan 3

A: According to our guidelines we can answer only three subparts.Part a,            sin11π6

Q: What is the value of sin 30+ cos 30

A:

Q: 3. (tan 45°) (cos30°) - (cot45°) (sin 60°)

A:

Q: Evaluate the expression without using calculator. 10) cos 0° - 8 sin 90°

A:

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

A:

Q: Find the exact value of tan 2 sin 13

A:

Q: Find the exact value, without a calculator. sin tan 12 引ルレ 7Tn 1116 [?]+ V[ ] コー」 Enter

A: Given: tan7π12 The objective is to find the exact value.

Q: Verify the identity csc (20)- sin (20) cot (20) COS co (20)

A: We have to check

Q: Verify the identity. sin 20 cot0 1- cos 20

A: To prove the given identity

Q: 4. Determine the exact value of Sin 120*

A: As we know from the trigonometric identity; sin90+θ=cosθ   The given expression is: sin120°

Q: 9. Use a half-angle identity to evaluate exactly sin(112.5°)

A:

Q: 11) Write expression in terms of Sin@+ Cos0, then simplify 1+ tan20 1+ cot20 %3D

A:

Q: Find the exact value by using a sum or difference identity. sin 105° cos 75°

A:

Q: (4) Rewrite (1 + tan2 x)/(1 + cot2 x)in terms of sine and cosine, and then simplify the expression…

A: Plug tan^2 x= sin^2 x/cos^2 xAnd cot^2 x=cos^2 x/sin^2 xThen add them using LCD

Q: Given that tan (20 + = 5, where n < 20 < .Find the exact value 2 of sin 0.

A: We will find two values of thetha but we will choose according to condition

Q: 3. Find the exact value of the expression using reference triangles. sin (csc-15 Cos-

A:

Q: Give the exact value of the expression. sin (2 arcos 17 유)

A: Given, sin(2 arcos 8/17)

Q: Give the exact value of sin(20).

A:

Q: Give exact values for sin 30°, cos 30°, sin 60°, and cos 60°.

A: We have to write the exact values of given trigonometry terms

Q: Use a calculator to decide whether the statement is true or false. sin 36° 18' - cos 53° 42' = 0

A:

Q: 4) Find the exact value. Do not use a calculator. sin 30° – tan 60° + cos 45°

A:

Q: Find the exad value of sin 12

A:

Q: (c) Under the assumption that x = tan 0 3 sec 0, use an appropriate right triangle to tan3 + 3…

A:

Q: 18) Use the identity to find the exact value sin 135 -30

A:

Q: Determine the exact value of cos 45° x tan 60° sin 30°

A: We know, cos(45∘) = 12 ,sin(30∘) = 12 , and  tan(60∘) = 3

Q: What is the value of (sin 150°)? + (cos 150°)??

A: Given- sin150°2+cos150°2 To find- The value of the above trigonometric expression. Identity Used-…

Q: 1. Find the exact value for: a) sin (377) 2 b) cot (210⁰) c) sec (-765°)

A:

Q: 10. If the cos0=- and 0 is located in the third quadrant, what is the value of sin0?

A: Find by drawing a right angle triangle

Q: 5. What expression is equivalent to 1+tanotan26? A. sin20 B. cos20 C. cot20 D. sec20

A: Given: y=1+tanθtan2θ We know that tan2x=2tanx1-tan2x…

Q: Verify the identity by transforming the lefthand side into the right-hand side.

A:

Q: Use exact values to show that the following is true. cos 120° = cos? 60° – sin?

A: We know that Therefore, we have

Q: If tanθ=9\2,tanθ=9\2 and cotϕ=4\5 , find the exact value of sin(θ-ϕ)=

A: We know, sin(θ-ϕ)=sinθcosϕ-sinϕcosθ

Q: Verify the identity: (1 + cos θ)/sin θ = csc θ + cot θ.

A: Verify the identity.

Q: Find a cofunction with same value as tan 72°. The cofunction is ?

A: Write the cofunction of tanx and than solve for angle.

Q: Use exact values to show that the following is true. sin 60° = 2 sin 30° cos 30°

A: We have to show

Q: (), tan (;). 4. Find sin given that sec(0) = 2, where 90° < 0 < 180° COS

A:

Q: What is the exact value of sin⁡(31π/6)?

A: Given- The expression as sin31π6 To find- Exact value of the given expression.