What is the value of the sin 15? opposite to the angle to the length of the hypotenuse in a right triangle. To find the sine of 15 degrees, we can draw a right triangle with one of the angles as 15 degrees. Using basic trigonometric ratios, sine theta = opposite side/hypotenuse. For...
百度试题 结果1 题目Without using your calculator, find the exact value of: √ 3cos 15^(° )-sin 15^(° ) 相关知识点: 试题来源: 解析 √2 反馈 收藏
Find the values of sin 15^@, cos 15^@ and hence deduce the values of sin 75^@ and cos 75^@
NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...
Find the exact value ofsinθandtanθwhencosθhas the indicated value. cosθ=1 Trigonometric Functions: In mathematics, a trigonometric function is simply defined as the function of an angle of a triangle. It makes a relationship between the angle ...
(3)Complete the following questions ①cos (3π )4 ②cos (5π )4 ③cos (7π )4 (4)Complete the following questions ①sin (7π )3 ②csc (7π )3 ③cot (7π )3 (5)Complete the following questions ①sin (- (π )2) ②cos (- (π )2) ...
Answer to: Consider the following figure. Find the exact value of sin(C^{\circ}). By signing up, you'll get thousands of step-by-step solutions to...
Find the exact value of {eq}cos \theta {/eq} and {eq}sin \theta {/eq} for each angel measure. {eq}\pi {/eq} Trigonometric Functions of an Angle: It can be shown that the trigonometric functions of an angle {eq}\theta {/eq} in standard position can be obtained from...
Answer to: Find the exact value of cos 21 cos 39 - sin 21 sin 39 By signing up, you'll get thousands of step-by-step solutions to your homework...
Value B. Find the exact value of Because the terminal side of lies in Quadrant I, the reference angle is The cotangent function is positive in Quadrant I. Use a Reference Angle to Find a Trigonometric Value Answer: A. Find the exact value of sin 120°. A. B. C. ...