Find the value of 3sin square 20 - 2tan square 45 + 3 sin square 70

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Find the value of 3sin square 20 - 2tan square 45 + 3 sin square 70

#Maths #class10 #introduction_to_trigonometry #trigonometry #complementry_property #complementry #application_of_trigonometry #sridharsharma
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very helpful video Thank you sir for it

VivekSharma-nicw