![Find the exact value of the following expression without using a calculator. s i n ( 30 ) | Homework.Study.com Find the exact value of the following expression without using a calculator. s i n ( 30 ) | Homework.Study.com](https://homework.study.com/cimages/multimages/16/study_unit_circle_016098858531768088757.png)
Find the exact value of the following expression without using a calculator. s i n ( 30 ) | Homework.Study.com
![Find the value of the expression given below,$\\sin 30{}^\\circ \\cos 60{}^\\circ +\\sin 60{}^\\circ \\cos 30{}^\\circ $[a] $\\dfrac{1}{2}$ [b] $\\dfrac{\\sqrt{3}}{2}$[c] 1[d] $\\dfrac{1}{4}$ Find the value of the expression given below,$\\sin 30{}^\\circ \\cos 60{}^\\circ +\\sin 60{}^\\circ \\cos 30{}^\\circ $[a] $\\dfrac{1}{2}$ [b] $\\dfrac{\\sqrt{3}}{2}$[c] 1[d] $\\dfrac{1}{4}$](https://www.vedantu.com/question-sets/3133d5d2-9f85-4708-8247-4c9022ca3d2b533566142221187849.png)
Find the value of the expression given below,$\\sin 30{}^\\circ \\cos 60{}^\\circ +\\sin 60{}^\\circ \\cos 30{}^\\circ $[a] $\\dfrac{1}{2}$ [b] $\\dfrac{\\sqrt{3}}{2}$[c] 1[d] $\\dfrac{1}{4}$
![How do you evaluate the sine, cosine, and tangent of the angle 30 degrees without using a calculator? | Socratic How do you evaluate the sine, cosine, and tangent of the angle 30 degrees without using a calculator? | Socratic](https://useruploads.socratic.org/rjCnQLxKS2LPNZaAcUhw_131619499_orig.gif)
How do you evaluate the sine, cosine, and tangent of the angle 30 degrees without using a calculator? | Socratic
![Evaluate the following: (i) sin 60° cos 30° + sin 30° cos 60° (ii) 2 tan² 45° + cos² 30° - sin² 60° (iii) cos 45°/(sec 30° + cosec 30°) (iv) sin 30° + tan 45° - cosec 60°/(sec 30° + cos 60° + cot 45°) Evaluate the following: (i) sin 60° cos 30° + sin 30° cos 60° (ii) 2 tan² 45° + cos² 30° - sin² 60° (iii) cos 45°/(sec 30° + cosec 30°) (iv) sin 30° + tan 45° - cosec 60°/(sec 30° + cos 60° + cot 45°)](https://d138zd1ktt9iqe.cloudfront.net/media/seo_landing_files/trigonometric-table-for-standard-angles-1626077546.png)