tan 4 ;sin 3

Q: Evaluate: tan^2(120°) - 2 cot 240°

A: To compute the given trigonometric expression

Q: tan 36° sin 51° %3D

A: we get tan 30∘=0.577sin 51∘=0.777

Q: a 48° A C O cos(42) = %3D 9. O cos(48) - sin(42) sin(48) C. O tan(42) = O tan(48): 40

A: By the angle sum property the third angle is, x=180-90-48=42 Thus angle B is 42 degree (1) cos42=bc…

Q: Find the exact value of tan (75°). Hint: 75° = 45° + 30° %3D .

A:

Q: If tan 0 TT then sin 0 2.

A:

Q: Evaluate without using a calculator: 7.1 sin 150° 7.2 cos 300° 7.3 tan 390° 7.4 cos 210° + sin 120°

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

Q: snip

A: To find value of tanπ4 and sinπ3

Q: 1. 1+tan (0²) = sec (0²)

A:

Q: If sin-1 (sin π/3) = π/3, is sin-1 (sin 5π/6) = 5π/6? Explain your answer.

A: It is given that sin-1sinπ3=π3.

Q: tan 4x + Sec32)

A: ∫(tan4x+sec3x)dx=∫tan4xdx+∫sec3xdx=14logsec4x+13log(sec3x+tan3x)+c

Q: Explain why tan 90° is undefined?

A: To Explain  why tan 90° is undefined?

Q: tan 12 + 2 2 sin15° = ?

A: First we find value of tan (π/12) and sin(15°). And after than we put in the given equation and find…

Q: In Problems 45–52, find the exact value of each expression.

A:

Q: tan 51° cos 34°

A: see 2nd step

Q: Evaluate the integral.

A: to evaluate I=∫π4π3tanθsin2θdθ

Q: if ongle an Sin 6 = 12 13 90<eく180 の

A:

Q: 1 Evaluate sin'(76 + 2e de. 2n Jo

A:

Q: 7. sin 52° 10. tan 8°

A: We can answer to question no 7 and 10 as below

Q: Evaluate

A: Given: sin5π12

Q: 4- Sin' aCOSX -bSinX bcost+asinX

A: solution:-

Q: What is the exact value of the expression 12 tan () + 24 sec ()? 60 O 24 O 60T O 24T O No correct…

A:

Q: nts, then pr

A: The equation for the expected value is to be proved , EaX+b=aEX+b. here a and b are constants. To…

Q: In Problems 21–30, use the Half-angle Formulas to find the exact value of each expression.

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 11. tan20 – sin²0 = tan² Osin²0

A: Prove.

Q: If 2 sin 52.5° sin 97.5°: V2+VA then 2. A = ||

A:

Q: Evaluate the sum of sin 30° + sin 60° + sin 90° + + sin 510° + sin 540°.

A: We have to find the sum

Q: 4/7 8 sin 18) 8 8 sin 10tan 10) do sec? 10) +.

A:

Q: 137 12 sin() 137 12 cos 1377 12 tan() 137 12

A:

Q: 57 Compute sin 24

A:

Q: 5. Which expression equals 0? O tan 50°+ sin 50 Cos 50 O tan 50° + cot 50° O tan tan 50° sin 50 cos…

A: Topic-

Q: Verify the identity: (tan 2θ + cot 2θ)/csc 2θ = sec 2θ

A: Given:          tan 2θ+cot 2θcosec 2θ=sec 2θ Solve;         Rearrange the given expression…

Q: If sec o = 2 and tan o = 3, find sin o O sin o = %3D 2. O sin o = 3 sin o = 2/3 3 sin o = 3/4

A:

Q: 2(cos 120°+i sin 120°) 4(cos 40º+i sin 40°)

A: We have to simplify 2cos120+isin1204cos40+isin40

Q: Evaluate sin 0 within AABC. 3

A:

Q: Find the exact value of tan 15°. 4 2- 2+

A: Find the exact value of tan(15°)

Q: If sin 30° + sin 60° + sin 90° + ...+ sin 510 ° + sin 540°, evaluate its sum.

A: Evaluate the sum  sin 30°+sin 60°+sin 90°+sin 120°+sin 150°+sin 180°+sin 210°+sin 240°+sin 270°+sin…

Q: If tan θ =  1.50, then θ terminates in ?

A: If tan θ = 1.50, then θ terminates in ?

Q: What is the sin (24.9)?

A:

Q: Verify the identity. 30 csc 30 — сot 30 2 sin 2 2 csc 30

A:

Q: 4. Which expression equals 0? sin 50° tan 50° cos 50° O tan 50° – cot 50° tan 50° + sin 50° cos 50°…

A:

Q: Simplify   tan 45  0 + cot 45  0

A: Given:                       tan(45°)+cot(45°)   To simplify this expression:   So,         We need…

Q: tan 20° – cos 20° cos 70°

A:

Q: Find the solution to the equation: tan(2θ + 5)=cot(3θ -20)

A:

Q: Prove that tan us du

A: To prove that ddxtan-1u=11+u2dudx

Q: 43. 47. sin 8.

A: SOLUTION-

Q: 1. tan 150° 2.csc O° 3. COS 4. Sin 225

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

Q: sec 25°= cos 78° = sin 33°30'= tan 45°45*= tan 23°53'=

A: To find the complementary angle of the given data :-

Q: Find the exact value of:

A: Given that, To find the exact value of  sin 7π12 by using the identity, sin ( A + B) = sin A cos B…