2. Which expression equals -1? O sin? 63° – cos² 63° O cot? 63° + tan? 63° cot? 63° + csc² 63° O tan? 63° – sec² 63°

Q: Evaluate arctan ? if ?=73arctan?= ___ degrees (c) Evaluate tan−1c if c=73tan−1c= ___ degrees   I…

A: To evaluate the value of arc-tan and tan-1(c).

Q: 2. Which expression is equal to tan? a sin? a using identities? O tan? r + sin² x cot r- sin? r O…

A:

Q: Write the following in terms of sin ? and cos ?; then simplify if possible. (Leave your answer in…

A:

Q: 8) -cos? 0 + 3sin? 0 + 2 = -4sin ở %3D 7π 4π A) {7,, 6 3 7π 11π B) { 6 6 C) 4π 5π D) 3 3.

A: -cos2θ+3sin2θ+2=-4sinθ-(1-sin2θ)+3sin2θ+2=-4sinθ                   [sin2θ+cos2θ=1]…

Q: What is the exact value of the expression 12 tan? () + 24 sec ()? 68 O 24 68T O 24m O No correct…

A:

Q: Write the following in terms of sin ? and cos ?; then simplify if possible. (Leave your answer in…

A:

Q: sin ? = −3/5 and ? terminates in QIII, find cos ?. cos ? = Find tan ? if sin ? = 1/4 and ?…

A: Answer

Q: If tan ? = 3, find tan4 ?. tan^4 ?=

A:

Q: (-1 + cot2w + cos2w tan2w) / (csc2w) = ?

A: The given trigonometric function is:

Q: Use a calculator to evaluate the expression. cos ? (67°) + sin ? (67°) cos ? (67°) + sin ² (67°) =…

A: Pythagorean identity.      cos2(θ)+sin2(θ)=1

Q: If sin(?)<0, find the value of cos⁡(θ) when cot(?)=7/3.

A: Given that sinθ&lt;0 and cotθ=73 we have to find the value of cosθ

Q: The value of the expression cos x – tan? r – 5+ sin? r+sec² z is, -3 O -10 csc r O 10 secz O 10 tan…

A:

Q: Simplify the expression sin 29.5° cos 29.5°. 8

A: Given18sin(29.5°)cos(29.5°)we know that double angle identitiessin(2θ)=2sinθ.cosθ

Q: Simplify the expression as much as possible. cos? 45° + cos? 60°

A:

Q: Evaluate sin? 45° + cos? 45° tan? 60°

A: Given sin245°+cos245°tan260°

Q: The expression sin(20) is the same as: O 2sin(e)cos(e) O 2sin(e) O sin(e)cos(e) O cos?(e) – sin?(e)

A: Using Sin(A+B) formula

Q: 18. Which expression equals 0? cot? 24° – csc? 24° cot? 24° – tan? 24° cot 24° – sin 24° cos 24º cot…

A:

Q: Select the correct answer. 7 What is the approximate value of 8, if cos 8 = 9? O A. 38° О в. 52° Ос.…

A:

Q: In the expression 5 +2 tan(30 +) = 3 where 0 <0 < a, then 0 in radians will be i. 36 178 ii. 36 29x…

A: topic - inverse trigonometric functions

Q: If cot x = (9/40) . Find the values of cscx and secx

A:

Q: If csc? A = 5 what is the value of 2' 1- cos? A? 2 5 2 Option 1 Option 2 2 5 Option 3 Option 4

A:

Q: Which of the following expression(s) is/are undefined? You must select ALL correct answers! A) sec…

A:

Q: Which expression is equivalent to cot? B(1- cos?B) for all values of B for which cot? B(1- cos²B) is…

A: We will use trigonometric relations.

Q: The degree measure of an angle in a right triangle is x, and sin x = Which of these expressions are…

A:

Q: Find the exact value of the expression. 11) tan-1 (-1) A) 프 4 B) 77 4 C) 57 D). 7

A:

Q: Find the exact value of the expression. sin  ? 42 cos  ? 7 + cos  ? 42 sin  ? 7

A:

Q: 39, sin(+ +) = TT 4.

A: Solving the problem by finding the value of x in the said interval.

Q: If cos75° = cos(30° + 45°), what expression shown is equivalent to cos75°? O A. 6+2 4 O B. 2+ 6 4 O…

A: Using compound angle formula.

Q: If the terminal side of a contains the point (-3, 4) and the terminal side of B contains the point…

A: We will evaluate all above as shown below

Q: Write the given expression as the sine or cosine of an angle. sin 55° cos 15° + cos 55° sin 15" sin…

A:

Q: Rewrite the expression in nonradical form without using absolute values for the indicated values of…

A: Radical form is a form of an equation in which there are no more square roots, cube roots, etc. If…

Q: Write the given expression as the sine or cosine of an angle. cos 55° cos 30° + sin 55° sin 30° O…

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

Q: Write the following in terms of sin ? and cos ?; then simplify if possible. (Leave your answer in…

A:

Q: Evaluate sin? 45° + cos 45° tan? 60° 2

A:

Q: In the expression 5 +2 tan(30 + ) = 3 where 0 < 0 < a, then 0 in radians will be i. 36 17z ii. 36 29

A: topic - Inverse trigonometric functions

Q: Simplify the expression. ) = ,2 cot?(x) – cos²(x)cot?(x)

A: There are six trigonometric functions which are sine, cosine, secant, cosecant, tangent and…

Q: In the expression 5 + 2 tan(30 + ) = 3 where 0 < 0 < n, then 0 in radians will be i. 36 177 ii. 36…

A: Given 5+2 tan (3θ+ π/3) =3

Q: If (ds)? = (dr)? +2 (de)2 + r2 sin? e (doe, find the values of 1 3 and 13 (a) [22, 1] and [13, 3]…

A:

Q: 24. Which expression equals -1? O cot? 63° + tan? 63° O tan? 63° – sec? 63° cot? 63° + csc² 63° O…

A:

Q: If  sin(?) =  7 25  and  tan(?) = −  7 24,  find  sec(?)

A:

Q: Verify the identity. (Simplify at each step.) 8 cos? B – 8 sin? ß = 8 – 16 sin? B 8 cos? B – 8 sin?…

A:

Q: The degree measure of an angle in a right triangle is x, and sin x = 3 Which of the following…

A: Given the angle is, sinx=1/3

Q: Fill in the blanks so that each expression becomes a true statement. a. sin ? ° = cos 60°…

A: Explanation of the answer is as follows

Q: 2) Convert degrees to radians. radians degrees x 180 Let pi = a) 245° = Answer = b) 350° = Answer =

A:

Q: If the terminal side of a contains the point (-3,4) and the terminal side of B contains the point…

A:

Q: Given the equation below. Give what is being asked. 3 3 sin -xcos, xdx a sin ucos udu 8 xpx, Find: a…

A: According to question,Given definite integral,∫04π3 sin638x cos638x dx = αβ∫0γδπ sin6u cos6u du

Q: 3. How many angles from 0° to 360° satisfy the equation: sin 0 = 0? a) 3 angles b) 2 angles ) 1…

A: The given trigonometric equation is: sin(θ)=0

Q: If cos A = 0.9903, then the measure of ZA, to the nearest degree, is a) 82° b) 8° c) 1° O d) 45°

A:

Q: Find the exact value of the expression. Use the sum or difference formula. sin 165° O EWS+1) 4. O…

A:

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.