can anyone help me in this please
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Answer:
Hey!!! Answer idhr h ..
Explanation:
a)cos36
∘
cos54
∘
−sin36
∘
sin54
∘
=0
cos(90
∘
−54
∘
)cos(90
∘
−36
∘
)−sin36
∘
sin54
∘
=sin54
∘
sin36
∘
−sin36
∘
sin54
∘
=sin36
∘
sin54
∘
−sin36
∘
sin54
∘
=0
b) Isme Sin aur cos ki jo value 45 degree pr hoti h na bro wo daal de cancelling krke solve krde...Plz mrk BRAINLIEST I need 2 more BRAINLIEST marks for my nxt lvl..plz
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