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.
Step 1: Findcos60∘ We know that: cos60∘=12 Step 2: Calculatecos260∘ Now, we square the value ofcos60∘: cos260∘=(12)2=14 Step 3: Findsin30∘ Next, we know that: sin30∘=12 Step 4: Calculatesin230∘ Now, we square the value ofsin30∘: ...
百度试题 结果1 题目Find the exact value of each of the following.cos 60 相关知识点: 试题来源: 解析 cos60°=1/2 反馈 收藏
Find the value of the following : (a) sin ( - 30^(@)) (b) cos (-60^(@)) (c ) tan (- 45^(@))
Sin 69 degrees is the value of sine trigonometric function for an angle equal to 69 degrees. Understand methods to find the value of sin 69 degrees with examples and FAQs.
Find the value of the following. cos 60 deg - 2 csc 45 deg over cot 60 deg Use a 30^{\circ}-60^{\circ} right triangle to find the exact value of the following trigonometric expression. tan 30^{\circ} Use the appropriate reciprocal identity to ...
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because sine is negative in the fourth quadrant.( -(sin)(60))The exact value of ( (sin)(60)) is ( (√3)2).( -(√3)2)The result can be shown in ...
Answer to: Find the exact value of \cos(165 degrees). By signing up, you'll get thousands of step-by-step solutions to your homework questions. You...
Example22:Find the value of cos420°·tan60°·sec45°+sin45°·cot30°·csc450°.Example 22:Find the value of cos 420°·tan 60°· sec 45°+sin 45°·cot 30°·csc 450°. 相关知识点: 试题来源: 解析 Solution-|||-cos420°tan60°sec45°+sin45°cot30°csc450°-|||-=cos(360...
In trigonometry, we have a bunch of summation identities that work to find the exact value of the trigonometric function containing the sum of two angles. The general identities are given by: sin(x+y)=sinxcosy+cosxsinysin(x−y)=sinxcosy−c...