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प्रश्न
`(2/3 sin 0^circ - 4/5 cos 0^circ)` is equal to ______.
विकल्प
`2/3`
`(-4)/5`
0
`(-2)/15`
उत्तर
`(2/3 sin 0^circ - 4/5 cos 0^circ)` is equal to `underlinebb((-4)/5)`.
Explanation:
We have,
`\implies 2/3 sin 0^circ - 4/5 cos 0^circ`
`\implies 2/3 xx 0 - 4/5 xx 1`
= `-4/5`
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