So accordingly, the value of Cos 90 degree or Cos 90 =0 Similarly, values of other degrees of trigonometry functions can be found out. Solved Example 1. Evaluate the following a.4(Sin230°+Cos260°)–3(Cos245°−Sin290°) Solution ...
The value of tan 90 degrees is undefined. The tangent of an angle is equal to the ratio of sine and cosine of the same angle. Learn how to derive the exact value of tan 90 at BYJU’S.
Example 1: Find the value of 5 sin(69°)/7 cos(21°). Solution: Using trigonometric identities, we know, sin(69°) = cos(90° - 69°) = cos 21°. ⇒ sin(69°) = cos(21°) ⇒ Value of 5 sin(69°)/7 cos(21°) = 5/7 ...
Sec 90 value can be calculated using other trigonometric functions like Cosine. Sec x = 1/cos x. The value of sec 90 is undefined. For more trigonometry angle, register with BYJU'S.
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Cos 60 degrees is the value of cosine trigonometric function for an angle equal to 60 degrees. Understand methods to find the value of cos 60 degrees with examples and FAQs.
The value of (cos(90^@ - theta)sec(90^@ - theta) tan theta)/(cosec(90^@ - theta)sin(90^@ - theta)cot(90^@ - theta) (tan(90^@ - theta))/(cot theta) is
Cos 120 degree is equal to minus half which can be written as (- ½ ) or (-0.5). Cos is one of the functions of Trigonometry that deals with the relationship between the angles and sides of a right-angled triangle. So in short, we can say that measuring a triangle (specifically ri...
Cos 120 degree falls in the second quadrant and there the value of Cos is negative half (-1/2) or (-0.5). Read the article to learn how to calculate the value of cosine 120.
Sin Cos Tan Values Cos 90 Value Frequently Asked Questions (FAQs) on Sin 60 Degree What is the value of sin 60 degrees? The value of sin 60 degrees (sin 60°) is √3/2 or approximately 0.866. How is sin 60° calculated? Sin 60° is calculated as the ratio of the length of the...