What is the value of 2cosec^2 teta+3 sec^2teta- 10.
if teta = 45°
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Step-by-step explanation:
2Cosec²45° + 3Sec²45° - 10
2(√2)² + 3(√2)² - 10
2(2) + 3(2) - 10
4 + 6 - 10
10 - 10
= 0
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