6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..
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
Evaluate sin 30 . cos 60 + cos 30. sin 60
Find (sin 90) / ( sin 60 cos 30 + cos 60 sin 30), Trigonometric Ratios
If sin 600° cos 30° + cos 120° sin 150° = k, then k = (a) 0 (b) 1 (c) −1 (d) None of these
Solved] 8. (07.01 MC) If the sin 30' = , then which statement is true? (6
tentukan nilai dari 1.sin 60 - cos 60 / tan 60 + sin 30 2. sin 150 + cos 130 / tan 225 - sin 300
What is cos 90 + sin 60? - Quora
MATHEMATIC EXERCISE 11.2 1. Evaluate the following: (1) sin 60° cos 30° + sin 30° cos 60° (ii) 2 tanº 45° + cos 30° - sin-60° cos 45º sec 30° + cosec
Verify each of the following: (i) sin 60^∘cos 30^∘-cos 60^∘sin 30^∘=sin 30^∘ (ii) cos 60^∘cos 30^
What is the value of sin150? - Quora
sin theta ) ( . . ) iv) ( cos ^ { 2 } 45 ^ { circ } - cot 30 ^ { circ } + )
Show that: i 1 sin 60∘/cos 60∘=tan 60∘ 1/tan 60∘+1 ii cos 30∘+sin 60∘/1+sin 30∘+cos 60∘=cos 30∘
Evaluate: sin 60° cos30° + sin 30° cos 60°
Why sin30=cos60=1/2, sin60=cos30=square root 3 over 2, tan30=1/square root 3, tan60=square root 3 ?
a) sin (0^0)+2 b) 6· sin (30°) c) 3· sin (90°)-2· cos (60°)= d) sin 0^(·)/ cos 0 sin 45° [algebra]