5.3 诱导公式 练习-2027届高三数学一轮复习

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5.3 诱导公式

知识点一 诱导公式一

1.“eqId119ec7ccc6c96c7ade19bbf40784ddd5”是“eqIda7e20703f00bb383e84bbf5ea25bdacc”的什么条件?(   )

A.必要不充分 B.充分不必要 C.充要 D.既不充分也不必要

2.“eqId0a16511fadb9d34f0df16b372ecfa6c3”是“存在eqId45a173784888adf2946382fa093ba53a,使得eqId199f7832d935b65abb8832670e328d0f”的(    )

A.充分不必要条件 B.必要不充分条件

C.充分必要条件 D.既不充分也不必要条件

3.eqId8abbd11e12a3b3fec206164f5b419a23(    )

A.eqId8eff998d034284391ca064755fa6bf1b B.eqId5743a3bf50e8146f519a7b4f32a958b5 C.eqIdca9c6fe12d3a9727e00ef87a630302ab D.eqIdf16c8ef3313ebed3434f6a7b61cdd93b

4.eqId10f1653ef27d006e711c8b3317453616(    )

A.1 B.eqId8d5989c84e320b504511f23eeb6e7357 C.eqId860884c0017c8bceb5b0edff796c144f D.eqId3389f53711264b0acba3ba6019f8b908

5.eqId7f136782c37f5e1b808762aa0038df46__________

6.eqId981ad6a3262daaacc7976d7b0c7ee059________

 

知识点二 诱导公式二、三、四

7.已知eqIde170f206fdbbd834aad7580c727e2cc6为第一象限角,且eqIdc36db2abd3ea5472526895f44fd26413,则eqId639b4d8b6f4601bea9850e682d85e5d2(    )

A.eqIdaf6ddf31b7d9225a4239883af72d153b B.eqId94f8657de54481172ca9179c88c0c4c7 C.eqIdeac97e6740365c85ad857aff85cefbe5 D.eqId7294f5ae2a24ff42e84cd9773b2a7287

8.eqIdf5e17d02ad109e1f1b4340b8c4c1f80d的值为(    )

A.eqId8d5989c84e320b504511f23eeb6e7357 B.eqIdacbc6a613224461ade69362d46550474 C.eqId860884c0017c8bceb5b0edff796c144f D.eqId68b572cbfe5491fabd42a5fdd4038a50

9.设eqIdf6ad291e3805e58f99588859d2f6aaf5,则eqId1b99827e27090d3bce63654ea3249b2f(     )

A.eqId3b631b1031d58169bf3ac8805e448954 B.eqIdfe01f95e4d5df62834b9a68684e1eea8 C.eqId68207403cf16f97f730da03a7c4ea6a7 D.eqIdb89c4197392046fd0bcc265c6ca99c51

10.已知角eqIdc24095e409b025db711f14be783a406c的终边经过点eqId79e00d260b97e7364ba94fc75fbcb473,且eqIda742fd9790ed9f80608d7954c50d36ce,则m的值为(   )

A.4 B.3 C.eqId31da7291140e430a11e2a10cc6cdefbb D.eqId8b2a698891d42c70b597f0da4f215f09

11.已知角eqIde170f206fdbbd834aad7580c727e2cc6为第一象限角,且eqIde07e5bf3091755b1a458d38788bb0b2e,则eqId2f001133175da34b018f994197e52d6f(   )page number 0

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A.eqIdaf6ddf31b7d9225a4239883af72d153b B.eqId94f8657de54481172ca9179c88c0c4c7 C.eqIdeac97e6740365c85ad857aff85cefbe5 D.eqId7294f5ae2a24ff42e84cd9773b2a7287

12.已知eqIdc24095e409b025db711f14be783a406c为锐角,且eqIdda19f0d43a33b280c90491d999ce8227,则eqId214c462ac3f45b5e065891a471ed75e4_____.

13.若eqId7c083a579392da67a7629c23054a53a2,且eqIdca8f77412df80e314ee1e5efd6a4b52f,则eqId9251dff989f7d60db751b73033dee269______.

 

知识点三 诱导公式五、六

14.若角eqIde170f206fdbbd834aad7580c727e2cc6的终边经过eqId9b9bcc60fb607ffb8d8906a45af6700f,则eqId783abee4269b707dfc76dbafe6e5339c__________.

15.已知eqIde170f206fdbbd834aad7580c727e2cc6为第三象限角,eqId1ebb9f9246605e7da013575919fc906f,则eqId200b0a141ee787fb4c37a49f69394cc8___.

16.已知eqIdcc1eb7147da27191620f4dd3c721262d,则eqId9f016e7dd9681232078af7c6cc332629 _________.

17.若eqIdf6b891b0712d2e434221de14e2d013fe,则eqId07911bc7d0a86fb0fd71df342fcfb9bb________.

18.化简:eqId4ef031d595c65bcafed1cb687b4f7615______.

19.已知角eqIde170f206fdbbd834aad7580c727e2cc6的终边在直线eqIda02430f83e4f662e788d234da3c56ce2上,则eqIdbf6aa23234345cde1504f8bcf563a537________.

20.已知eqId431b0d2bd86d59dab8bd712fdc9bc41c,则eqId201ccac83dc6b3c8c08aa65a0a49e06a(    )

A.eqIdb668139b7e026c6e4c4e9ec4fa82d2ed B.eqIde5756451881af4d6594c820652ebcc2a C.eqId744cd8216f2335344934f142f0de9647 D.eqIdaf6a4bf28d802c2333fb452aab809061

21.若eqIdf750011c07761b413102421d33e1dea1,则eqId6bd1fbfc788d2898f3214a07c2420e23(    )

A.eqId45fcbcb4fb971435847f2659ac736654 B.eqId36d74ef32584586ec4857acd0a3f4fe9 C.eqIdf30d314a642667fef559032264647366 D.eqId4dac452fbb5ef6dd653e7fbbef639484

 

知识点四 三角函数的化简、求值——诱导公式

22.已知角eqIde170f206fdbbd834aad7580c727e2cc6以eqId81dea63b8ce3e51adf66cf7b9982a248轴的非负半轴为始边,eqId92e1cb8e2b2530c5764ca063a26f1e5c为终边上一点.

(1)求eqId180afd467cd4b1271ed02b5a6dcc2db1的值;

(2)求eqIdb63bbe8ead7837fd0ce29b1034b8800d的值.page number 1

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23.已知eqId19c1398b22015fdc9eadceeca3b7f360

(1)化简eqId794f2c6bd63355105d179d11306a9cae;

(2)若eqIda4f2f75e3b59023e8309bb36f822adce,eqIdada5e0f6acc0871207e3e4f28988b129,求eqIdf092db1495faddf4279311fb7e2d972f的值.

24.(1)求值:eqId4a1f0bfb5a3291dacb43454fac517282;

(2)已知eqId2616d1467940c73836c2268642b695b4,求eqIde0319e3753e2decc31ff3622b3cd560f的值.

25.已知角eqIde170f206fdbbd834aad7580c727e2cc6的顶点在坐标原点,始边与eqId81dea63b8ce3e51adf66cf7b9982a248轴正半轴重合,终边经过点eqId92e25d61de0289677931829804685555.

(1)求eqId0b4179e1ab8705cf19ea7aaf48888843,eqId4d66c03d4ca06819a6ce7fc8ea6de0f0;

(2)求eqIded44ac3f929baf5af6b6563389fbb84c的值.

26.已知eqIda9a7de5b70003502e40b95b3b7d3d933,求下列各式的值:

(1)eqIdcebe06d0c9ffa4bdd7ed79dfbe1b19fe;

(2)eqId617e59c1afb7dc761f5b373bc820ecff;

(3)eqId5bfc8e49f7daac61de8b99e58a185ee9.

27.已知eqIdde7d5ef3a3d9a03be91135fc426d57cc,eqIdaefd06c239145a2b6ae87a955aa51414是关于eqId81dea63b8ce3e51adf66cf7b9982a248的方程eqId522e084023525acd930ee6c763ad6b5a的两个根.

(1)求eqId756fae5a449411635e9c91c7e02eae4a的值;

(2)求eqIdfa76316a2d3c69c790bd46db8b0f6308的值.

 

知识点五 三角函数恒等式的证明——诱导公式

28.已知eqId91607093672dd84812a2c5ce1847f7f0,求证:eqId5966866ec6d6074b5df80dc9a513dd8d.

29.证明:eqId498184ba1dfd625f7072389def8fbee9.

30.(1)求证:eqIde2c9a06e64418415949641a1f20d59a3;page number 2

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