What is the exact values of cos 150 and sin 150? Take Θ=30 Cos 150° If Cos (180° – Θ)= -Cos Θ, Then Cos (180 – 30)= -Cos Θ. Cos 150 = -Cos 30 (√3 /2),= 0.8660 Sin 150° […]
What is the exact values of cos 150 and sin 150? Take Θ=30 Cos 150° If Cos (180° – Θ)= -Cos Θ, Then Cos (180 – 30)= -Cos Θ. Cos 150 = -Cos 30 (√3 /2),= 0.8660 Sin 150° […]