Sin 60⁰+cos 45⁰- tan 45⁰tan 60⁰+ tan 45⁰sin 30⁰+cos 450tolong y Abang² kakak²​

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Sin 60⁰+cos 45⁰- tan 45⁰tan 60⁰+ tan 45⁰sin 30⁰+cos 450tolong y Abang² kakak²​

Jawaban:

1. = √3/2 + √2/2 – 1

= √5/2 – 1

2. = √3 + 1

3. = ½ + 0