1.

The value of sin 5°.sin 22°.sin 68°/cos 22°.cos 60°.cos 85° is? ​

Answer»

Answer:

it's easy

Step-by-step explanation:

sin5=cos (90-5)=cos85 and sin68=cos(90-68)=cos22 these can CANCELLED top and bottom GIVING

(sin22)/(COS60) =2cos22.



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