1.

1. निम्नलिखित के मान निकालिए :(i) sin60° cos 30°+sin 30° cos 60°

Answer»

Sin60*cos(90-60)+sin30.cos(90-30)

Sin60*sin60+sin30*sin30

Sin²60+sin²30

{√3/2}²+1/4

3/4+1/4

(3+1)/4

4/4

=1



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