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Guest
Guest
@ = THETA
describe an interval between 0 and 2pi in which @ satisfies the given requirements
Can someone tell me if my answers are correct?
1. sin @ > 0 and then tan @ < 0
MY ANSWER: 90 < @ < 180
2. cos @ = 0 and sin @ > 0
MY ANSWER: 90< @ < 360
3. tan @>0 and cos @< 0
MY ANSWER: 180<@<270
describe an interval between 0 and 2pi in which @ satisfies the given requirements
Can someone tell me if my answers are correct?
1. sin @ > 0 and then tan @ < 0
MY ANSWER: 90 < @ < 180
2. cos @ = 0 and sin @ > 0
MY ANSWER: 90< @ < 360
3. tan @>0 and cos @< 0
MY ANSWER: 180<@<270