Given, sin 270 ∘ can be expressed as, sin 270 ∘ = sin (180 ∘ + 90 ∘) Since sin is a periodic function of time period 2 π , also negative in third quadrant or sin ⁡ ( π + θ ) = − sin ⁡ θ …

⇒ c o t 270 ° = cos 270 ° sin 270 ° c o t 270 ° =-0 1 c o t 270 ° = 0 Hence, the value of trigonometric angles when θ = 270 ° are: sin 270 ° = - 1 cos 270 ° = 0 tan 270 ° = Not defined …

2024年3月15日 · what is sin of 270. Answer: Hey! The sine of 270 degrees is -1. The sine function gives us the ratio of the length of the side opposite an angle to the length of the hypotenuse in …

2020年11月12日 · If we place a triangle in the unit circle, as pictured in the diagram, then we know that $$ …

2018年7月13日 · Here is your answer the value of sin 270° is -1. here's an explanation , sin 270° = sin90° + sin180° = sin ( 90° + 180°)

What is sin 270? What is sin 120 degrees? Evaluate sin 360 degrees. Derive the value of sin 60 geometrically. Find the value of sin 30 degree geometrically and prove sin 30 geometrically. …

2021年8月4日 · Sin(270°-x)it is on form of odd multiple of π/2 (90 degree) - xso it transforms to cos x270 - x is in 3rd quadrant, where sin is negative.∴Answer is -cos xhope …

So, the negative sign appears. Sine is only positive when angle is between 0 to 180. As for changing to cosA, just remember that increment by 180 or 360 wont change the function but …

2019年11月1日 · In a survey of 10 households, the number of children was found to be 4, 1, 5, 4, 3, 7, 2, 3, 4, 1 a. State the mode. b. Calculate the mean number of c …

1/sin x = cosec x; 1/cos x = sec x; 1/tan x = cot x; Steps to Create a Trigonometry Table Step 1: Create a table with the top row listing the angles such as 0°, 30°, 45°, 60°, 90°, and write all …