Evaluate - cos 15 sin 15- sin 75 cos 75 -

The correct option is B 0 (cos 15)(cos 75) (sin 15)(sin 75) = nbsp;(cos 15)(sin 15) nbsp;(sin 15)(cos 15) = 0 ...

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Byju's Answer

Standard XII

Mathematics

Chain Rule of Differentiation

Evaluate |[ c...

Question

Evaluate $∣ ∣ ∣ \begin{matrix} c o s 15 & s i n 15 s i n 75 & c o s 75 \end{matrix} ∣ ∣ ∣$

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Solution

The correct option is B
0

(cos 15)(cos 75) - (sin 15)(sin 75) = (cos 15)(sin 15) - (sin 15)(cos 15) = 0

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Evaluate ∣∣∣cos15sin15sin75cos75∣∣∣

The correct option is B 0 (cos 15)(cos 75) - (sin 15)(sin 75) = (cos 15)(sin 15) - (sin 15)(cos 15) = 0

Evaluate $∣ ∣ ∣ \begin{matrix} c o s 15 & s i n 15 s i n 75 & c o s 75 \end{matrix} ∣ ∣ ∣$

The correct option is B
0

(cos 15)(cos 75) - (sin 15)(sin 75) = (cos 15)(sin 15) - (sin 15)(cos 15) = 0