6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..
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6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2
7cos120∘cos(90+30)=−sin30∘=+1/2cos(180∘−60)=−cos60∘=−1/2
cos(90+60)=−sin60∘=−8/2cos(180∘−30)=−cos30=−3/2
cos150
Video solution 1: 6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90+30)=−sin30∘=+1/2cos(180∘−60)=−cos60∘=−1/2 cos(90+60)=−sin60∘=−8/2cos(180∘−30)=−cos30=−3/2 cos150
Video solution 2: 6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90+30)=−sin30∘=+1/2cos(180∘−60)=−cos60∘=−1/2 cos(90+60)=−sin60∘=−8/2cos(180∘−30)=−cos30=−3/2 cos150
Video solution 1: 6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90+30)=−sin30∘=+1/2cos(180∘−60)=−cos60∘=−1/2 cos(90+60)=−sin60∘=−8/2cos(180∘−30)=−cos30=−3/2 cos150
Video solution 2: 6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90+30)=−sin30∘=+1/2cos(180∘−60)=−cos60∘=−1/2 cos(90+60)=−sin60∘=−8/2cos(180∘−30)=−cos30=−3/2 cos150
![6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..](https://qph.cf2.quoracdn.net/main-thumb-241444129-100-qwmsyzpurikrlrwijjmltnfmibgfyuto.jpeg)
What is the value of sin150? - Quora
![6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..](https://i.ytimg.com/vi/15bbdj_aato/maxresdefault.jpg?sqp=-oaymwEmCIAKENAF8quKqQMa8AEB-AH-CYAC0AWKAgwIABABGDggZSg6MA8=&rs=AOn4CLBI7yLy3Z4_Oiw5Pf4E9CkFoQp7nA)
Evaluate `, [sin 60^(@), cos60^(@)], [sin 30^(@), cos 30^(@)]
![6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..](https://cdn.numerade.com/ask_images/a70ce7c8-95d8-4fe9-9136-460afa06696f.jpg)
SOLVED: -cos 30^∘=(√(3))/(2) -cos 60^∘=(1)/(2) -cos 90^∘=0 -cos 120^∘=(180^∘ -60^∘)=-cos 60^∘=-(1)/(2) -cos 180^∘=cos(180^∘-80^∘)=-cos 30^∘=(-√(3))/(2) -cos 180^∘=cos(180^∘-0^∘)=-cos 60^∘=-(1)/(2) -cos 210^∘=cos(180^∘+30^∘)=-30
Show that: 1-sin60/ cos60 = tan60 -1/tan60 +1 - Sarthaks eConnect
![6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..](https://qph.cf2.quoracdn.net/main-thumb-96080076-100-ldggxtmvkxldulfuctvbqtrnpknyqthm.jpeg)
How to prove that sin 780 sin 480 + cos 120 sin 30=1/2 - Quora
![6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..](https://myschool.ng/storage/comments/3uEa3gAzWDhxKwASJtdhfVJ1LEWJQn3Ixwws531i.jpeg)
given that cos 60° equals to sin 30° equals to 1/2 and cos 30°=sin60°=√3/2 evaluate - Myschool
![6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..](https://qph.cf2.quoracdn.net/main-thumb-166522508-100-aienwzzvfwzaamvkxunzxrlucwaivvpx.jpeg)
What is the value of sin150? - Quora
![6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..](https://i.ytimg.com/vi/v1zes1p08oA/hqdefault.jpg?sqp=-oaymwEmCOADEOgC8quKqQMa8AEB-AHUBoAC4AOKAgwIABABGGUgZCgZMA8=&rs=AOn4CLCJGmSvO4vEshb-XxoxTtWd8GIBiQ)
If sin 600° cos 30° + cos 120° sin 150° = k, then k = (a) 0 (b) 1 (c) −1 (d) None of these
![6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..](https://qph.cf2.quoracdn.net/main-thumb-161330699-100-wuskafsnxstadqcvmgxeleagxqerzxfl.jpeg)
What is the value of sin150? - Quora
![6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..](https://qph.cf2.quoracdn.net/main-thumb-133992142-100-kmuwpdwvesyhqcqejxmwgjjzfaylfyua.jpeg)
What is the value of sin150? - Quora
Ex 8.2, 1 Class 10 - Evaluate (i) sin 60° cos 30° + sin 30° cos 60°
![6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..](https://useruploads.socratic.org/oUceYGR4SDWS62kAsBXj_unit%20circle%20ordered%20pairs.png)
Trigonometric Functions of Any Angle - Trigonometry
![6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..](https://d10lpgp6xz60nq.cloudfront.net/physics_images/RSA_MATH_X_C11_E01_021_Q01.png)
Show that : (i) (1-sin60^(@))/(cos60^(@))=(tan60^(@)-1)/(tan60^(@)+1
How to prove that sin 780 sin 480 + cos 120 sin 30=1/2 - Quora
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