3sinsquare30+2cossquare45+3tansquare 60
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Answer: 17/2
Step-by-step explanation:
= 3 sin² 30 + 2 cos² 45 + 3 tan² 60
sin 30 = 1/2 cos 45 = 1/√2 tan 60 = √3
= 3 (1/2)² + 2 (1/√2)² + 3 (√3)²
= 3(1/4) + 2 (1/2) + 3(3)
= 3/4 +1 + 9
= 3/4 +10
= (3 + 40)/4
= 34/4 = 17/2
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Step-by-step explanation:
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