if to sin square theta minus cos square theta is equal to 2 then find the value of Geetha
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2 sin²∅-cos²∅=2
2sin²∅-(1-sin²∅)=2.(Since,cos²∅=1-
sin²∅)
2sin²∅-1+sin²∅=2
3sin²∅=2+1
Sin²∅=3/3
Sin∅=√1
Sin∅=1
Hence,∅=90°
2sin²∅-(1-sin²∅)=2.(Since,cos²∅=1-
sin²∅)
2sin²∅-1+sin²∅=2
3sin²∅=2+1
Sin²∅=3/3
Sin∅=√1
Sin∅=1
Hence,∅=90°
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