Question

Cos a x sin a is equal to

Answer 1

CosQ x SinQ

Cos0° x Sin0°

= 1 x 0

= 0

Cos30° x Sin30°

= √3 x 1

2 2

= 1√3

4

Cos45° x Sin45°

= √2 x √2

2 2

= 2

4

= 1

2

Cos60° x Sin60°

= 1 x √3

2 2

= 1√3

4

Cos90° x Sin90*

= 0 x 1

= 0

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