What is the unit of electrical

If tan 3.5θ x tan 6.5θ = 1 then the value of tan 5θ is

If sin 23° = `12/13` , then tan 67° = ?

If cos⁴ p - sin⁴ p =

Simplify the given equation:

Evaluate the following:

sin 60° × cos 30° + sin 30° × cos 60°

The Value of (sin38˚)/(cos52˚)+ (cos12˚)/(sin78˚)- 4cos²60˚ is

What is the value of 1/(1+tan ² θ ) + 1 / (1+cot ² θ ) = ?

Find the value of the given trigonometric expression:

(sin 22°cos 68° + cos²22°) × sin 30° + (cos 60°tan 45°) × sec 60°